# Latest updates

[2026, April 20 - Victor (JVC) HP-D90](https://itsgreq.gitbook.io/headphone-measurements/jvc/hp-d90)

[2026, April 20 - PFR-V1](https://itsgreq.gitbook.io/headphone-measurements/sony/pfr-v1)

[2026, April 20 - Sony MDR-SA5000](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-sa5000)

[2026, April 20 - Allen Ribbon Headphone](https://itsgreq.gitbook.io/headphone-measurements/allen-ribbon-headphone)

[2026, March 20 - QUAD ERA-1](https://itsgreq.gitbook.io/headphone-measurements/quad-era-1)

[2026, March 12 - MB Quart Quartphone 200](https://itsgreq.gitbook.io/headphone-measurements/mb-quart-quartphone-200)

[2026, March 07 - Sony MDR-401](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-401)

[2026, March 07 - Pro.2 PH-S560](https://itsgreq.gitbook.io/headphone-measurements/pro.2-ph-s560)

[2026, March 07 - AKG K530](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k530)

[2026, March 07 - AKG K36/1](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k36-1)

[2026, March 07 - Beyerdynamic DT221](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt-211)

[2026, February 22 - Apple EarPods](https://itsgreq.gitbook.io/headphone-measurements/iems/apple-earpods)

[2026, February 18 - Sony WH-1000XM5](https://itsgreq.gitbook.io/headphone-measurements/sony/wh-1000xm5)

[2026, February 07 - Elega DR-119C](https://itsgreq.gitbook.io/headphone-measurements/elega/dr-119c)

[2026, February 07 - Audio Technica ATH-A10 (dirty drivers)](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/ath-a10-dirty-driver)

[2026, Janurary 28 - Boots H3750](https://itsgreq.gitbook.io/headphone-measurements/boots-h3750)

[2026, Janurary 28 - Sawafuji SF-17](https://itsgreq.gitbook.io/headphone-measurements/sawafuji-sf-17)

[2026, January 21 - Sony MDR-F1](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-f1)

[2026, January 21 - Sony MDR-CD1000 (aftermarket pads)](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd1000-aftermarket-pads)

[2026, January 21 - Tipsy M1](https://itsgreq.gitbook.io/headphone-measurements/iems/tipsy-m1)

[2026, January 21 - Fostex T30](https://itsgreq.gitbook.io/headphone-measurements/fostex/t30)

[2026, January 21 - Grado RS2e - Various Ear Pads](https://itsgreq.gitbook.io/headphone-measurements/grado/rs2e-various-aftermarket-pads) (more pads added)

[2026, January 10 - AKG K240 Sextett](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k240-sextett)

[2026, January 10 - Yamaha YH-5000SE](https://itsgreq.gitbook.io/headphone-measurements/yamaha/yh-5000se)

[2026, January 10 - Grado RS2e - Various Ear Pads](https://itsgreq.gitbook.io/headphone-measurements/grado/rs2e-various-aftermarket-pads)

[2026, January 03 - Zaylli Lyrö](https://itsgreq.gitbook.io/headphone-measurements/zaylli-lyro)

[2025, December 27 - Yamaha YH-4000](https://itsgreq.gitbook.io/headphone-measurements/yamaha/yh-4000)

[2025, December 27 - Pioneer SE-20A](https://itsgreq.gitbook.io/headphone-measurements/pioneer/se-20a)

[2025, December 26 - Yamaha YH-C3000](https://itsgreq.gitbook.io/headphone-measurements/yamaha/yh-c3000)

[2025, December 26 - SOUNDPEATS Air5 Pro+](https://itsgreq.gitbook.io/headphone-measurements/iems/soundpeats-air5-pro+)

[2025, December 17 - Audio Technica ATH-ES10](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/ath-es10)

[2025, November 28 - Wharfedale Isodynamic](https://itsgreq.gitbook.io/headphone-measurements/wharfedale-isodynamic)

[2025, November 10 - KBEAR Tourbillon Pro](https://itsgreq.gitbook.io/headphone-measurements/iems/tourbillon-pro)

[2025, November 10 - NF Acous NM25](https://itsgreq.gitbook.io/headphone-measurements/iems/nf-acous-nm25)

[2025, November 10 - Kiwi Ears Serene](https://itsgreq.gitbook.io/headphone-measurements/kiwi-ears/serene)

[2025, November 02 - Ziigaat Horizon](https://itsgreq.gitbook.io/headphone-measurements/iems/ziigaat-horizon)

[2025, Octover 31 - Sony MDR-30](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-30)

[2025, October 31 - Fosi Audio IM4](https://itsgreq.gitbook.io/headphone-measurements/iems/fosi-audio-im4)

[2025, October 02 - STAX Lambda Signature (sample 2)](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-lambda-signature/sr-lambda-signature-sample-2)

[2025, September 24 - Pioneer SE700 + HA-100 Amp](https://itsgreq.gitbook.io/headphone-measurements/pioneer/untitled-3)

[2025, September 19 - Tanchjim Nora](https://itsgreq.gitbook.io/headphone-measurements/iems/tanchjim/nora)

[2025, August 29 - Marantz SD-5](https://itsgreq.gitbook.io/headphone-measurements/marantz-sd-5)

[2025, August 29 - Meze Audio 105 AER](https://itsgreq.gitbook.io/headphone-measurements/meze-audio-105-aer)

[2025, August 11 - Toshiba HR-700](https://itsgreq.gitbook.io/headphone-measurements/toshiba/hr-700)

[2025, August 11 - Aiwa HP-T10](https://itsgreq.gitbook.io/headphone-measurements/aiwa/hp-t10)

[2025, August 11 - Sansui SS-100](https://itsgreq.gitbook.io/headphone-measurements/sansui/ss-100)

[2025, August 11 - Audio Interu - Dencho-ken - EXH-313](https://itsgreq.gitbook.io/headphone-measurements/audio-interu/dencho-ken-exh-313)

[2025, August 09 - Audio Technica ATH-A900](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/ath-a900)

[2025, August 09 - Panasonic RP-HDA100](https://itsgreq.gitbook.io/headphone-measurements/panasonic/rp-hda100)

[2025, August 09 - Panasonic RP-F30](https://itsgreq.gitbook.io/headphone-measurements/panasonic/rp-f30)

[2025, August 09 - STAX SR-Lambda Nova Classic](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-lambda-nova-classic)

[2025, August 09 - Satolex Tubomi DH298-A1](https://itsgreq.gitbook.io/headphone-measurements/iems/satolex-tubomi-dh298-a1)

[2025, July 04 - Kiwi Ears Altruva](https://itsgreq.gitbook.io/headphone-measurements/kiwi-ears/altruva)

[2025, July 04 - STAX SR-X MK3 Pro](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-x-mk3-pro)

[2025, June 26 - ES Lab ES-2a](https://itsgreq.gitbook.io/headphone-measurements/es-lab-es-2a)

[2025, June 16 - Punch Audio - Martilo](https://itsgreq.gitbook.io/headphone-measurements/iems/punch-audio-martilo)

(updated graph) [2025, June 16 - Koss HV/X ](https://itsgreq.gitbook.io/headphone-measurements/koss/hv-x)

[2025, June 08 - Pioneer Master 1G](https://itsgreq.gitbook.io/headphone-measurements/pioneer/master-1g)

[2025, June 08 - STAX SR-X MK3](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-x-mk3)

[2025, June 08 - Elega DR-E18](https://itsgreq.gitbook.io/headphone-measurements/flathead-earbuds/earbud-graphs-with-modified-minidsp-ears/elega-dr-e18)

[2025, June 08 - Sony MDR-7505](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-7505)

[2025, June 06 - Juzaudio Defiant](https://itsgreq.gitbook.io/headphone-measurements/iems/juzaudio-defiant)

[2025, June 01 - Elega CR-1070C](https://itsgreq.gitbook.io/headphone-measurements/elega/cr-1070c)

[2025, May 28 - KZ ZA12](https://itsgreq.gitbook.io/headphone-measurements/iems/kz/zs12)

[2025, May 28 - KBEAR KB16 Cepheus](https://itsgreq.gitbook.io/headphone-measurements/iems/kbear/cepheus-kb16)

[2025, May 28 - Yamaha YH-1000](https://itsgreq.gitbook.io/headphone-measurements/yamaha/yh-1000)

[2025, May 10 - Austrian Audio Hi-X55](https://itsgreq.gitbook.io/headphone-measurements/austrian-audio-hi-x55)

[2025, May 10 - Samsung AKG IEM (oem)](https://itsgreq.gitbook.io/headphone-measurements/iems/samsung-akg-oem-iem)

[2025, May 10 - Kenwood KH-85](https://itsgreq.gitbook.io/headphone-measurements/trio-kenwood/kenwood-kh-85)

[2025, May 02 - Koss KO/747](https://itsgreq.gitbook.io/headphone-measurements/koss/ko-747)

[2025, May 02 - Koss K6/LC](https://itsgreq.gitbook.io/headphone-measurements/koss/k6-lc)

[2025, May 02 - Koss 1010 Heritage](https://itsgreq.gitbook.io/headphone-measurements/koss/1010-heritage)

[2025, May 02 - Kiwi Ears Astral](https://itsgreq.gitbook.io/headphone-measurements/iems/kiwi-ears/astral)

[2025, April 13 - Sennheiser HD590](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd590)

[2025, April 13 - Fosi Audio i5](https://itsgreq.gitbook.io/headphone-measurements/fosi-audio-i5)

[2025, April 13 - Kiwi Ears Atheia](https://itsgreq.gitbook.io/headphone-measurements/kiwi-ears/atheia)

[2025, March 26 - Sony MDR-7506 + Yaxi stPad2-LR](https://itsgreq.gitbook.io/headphone-measurements/ear-pad-graphs/yaxi-stpad2-lr)

[2025, March 26 - Sony MDR-7506](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-7506)

[2025, March 08 - STAX SR-5](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-5)

[2025, March 05 - Grado SR80 (modified) + aftermarket G-cush pads](https://itsgreq.gitbook.io/headphone-measurements/grado/untitled-47/sr80-modified-+-aftermarket-g-cush-pads)

[2025, March 05 - QKZ AK6 ](https://itsgreq.gitbook.io/headphone-measurements/iems/qkz-ak6)

[2025, February 27 - STAX SR-007 (serial # 72\*\*\*)](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-007)

[2025, February 22 - Kiwi Ears Ellipse - best mod - high end linear sound](https://itsgreq.gitbook.io/headphone-measurements/kiwi-ears/ellipse)

[2025, February 21 - Kiwi Ears Airoso](https://itsgreq.gitbook.io/headphone-measurements/iems/kiwi-ears/kiwi-ears-airoso)

[2025, February 21 - Kiwi Ears Aether](https://itsgreq.gitbook.io/headphone-measurements/iems/kiwi-ears/kiwi-ears-aether)

[2025, February 21 - KBEARS KB02](https://itsgreq.gitbook.io/headphone-measurements/iems/kbear/kb02)

[2025, Februrary 09 - Soundcore Q30](https://itsgreq.gitbook.io/headphone-measurements/soundcore-q30)

[2025, February 09 - Sennheiser HD540 Reference II](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd540-reference-ii)

[2025, February 03 - Kiwi Ears Ellipse](https://itsgreq.gitbook.io/headphone-measurements/kiwi-ears/ellipse)

[2025, February 03 - Koss HV/X](https://itsgreq.gitbook.io/headphone-measurements/koss/hv-x)

[2025, February 03 - Beyerdynamic DT48 ORTF 25 ohm](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt48-ortf-25-ohm)

[2025, February 03 - B](https://itsgreq.gitbook.io/headphone-measurements/kiwi-ears/ellipse)[LON BL-03II](https://itsgreq.gitbook.io/headphone-measurements/iems/blon/blon-bl-03ii)

[2025, January 20 - CCZ Harmony BC01 Pro](https://itsgreq.gitbook.io/headphone-measurements/iems/ccz-harmony-bc01-pro)

[2025, January 20 - Rose Technics Distant Mountain](https://itsgreq.gitbook.io/headphone-measurements/rose-technics-distant-mountain)

[2025, January 20 - Kiwi Ears Division](https://itsgreq.gitbook.io/headphone-measurements/kiwi-ears/division)

[2025, January 20 - Fostex T50RPmk4G](https://itsgreq.gitbook.io/headphone-measurements/fostex/t50rpmk4g)

[2024, December 9 - Kiwi Ears Quintet](https://itsgreq.gitbook.io/headphone-measurements/iems/kiwi-ears/kiwi-ears-quintet)

[2024, November 24 - Philips SBC 3172 'Executive'](https://itsgreq.gitbook.io/headphone-measurements/philips/sbc-3172-executive)\
\
[2024, November 12 - Patriot Viper V360 (headset)](https://itsgreq.gitbook.io/headphone-measurements/patriot-viper-v360)

[2024, November 12 - TRUTHEAR x Crinacle ZERO:RED<br>](https://itsgreq.gitbook.io/headphone-measurements/iems/truthear-x-crinacle-zero-red)\
[2024 , November 10 - Samsung AKG (Fake/Not-Genuine Product)](https://itsgreq.gitbook.io/headphone-measurements/iems/samsung-akg-oem-iem/samsung-akg-fake-product)

[2024 , November 10 - Monster ibeats](https://itsgreq.gitbook.io/headphone-measurements/iems/monster-ibeats)

[2024 , November 10 - Simgot Supermix 4](https://itsgreq.gitbook.io/headphone-measurements/iems/simgot/simgot-supermix-4)

[2024 , November 10 - Trio/Kenwood KH-33](https://itsgreq.gitbook.io/headphone-measurements/trio-kenwood/trio-kh-33)

[2024, October 26 - Rose Technics Roseselsa EARFREE i5](https://itsgreq.gitbook.io/headphone-measurements/iems/rose-technics/rose-technics-earfree-i5)

[2024, October 26 - Kiwi Ears KE4](https://itsgreq.gitbook.io/headphone-measurements/iems/kiwi-ears/kiwi-ears-ke4)

[2024, October 26 - Simgot EA500LM](https://itsgreq.gitbook.io/headphone-measurements/iems/simgot/simgot-ea500lm)

[2024, October 26 - Simgot EW300](https://itsgreq.gitbook.io/headphone-measurements/iems/simgot/simgot-ew300)

[2024, October 26 - Sennheiser HD500](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd500)

[2024, October 24 - Logitech G435<br>](https://itsgreq.gitbook.io/headphone-measurements/logitech/g435)\
[BRAND NEW SECTION - EAR PAD GRAPHS - YAXI stPAD2-LR](https://itsgreq.gitbook.io/headphone-measurements/ear-pad-graphs/yaxi-stpad2-lr) with 15 new graphs

[2024, October 9 - Thai Airways - Free Economy Class IEM - 2024 Version](https://itsgreq.gitbook.io/headphone-measurements/iems/thai-airways-free-economy-class-iem-2024)

[2024, October 5 - Kenwood HS-5](https://itsgreq.gitbook.io/headphone-measurements/trio-kenwood/kenwood-hs-5)

[2024, September 28 - Yamaha HP-1](https://itsgreq.gitbook.io/headphone-measurements/yamaha/hp-1)

[2024, September 28 - Yamaha YH-100](https://itsgreq.gitbook.io/headphone-measurements/yamaha/yh-100)

[2024, September 22 - Audio Technica ATH-AD2000 + HPA2000Z Pads](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/ath-ad2000/ath-ad2000-+-hpa2000z-pads)

[2024, September 22 - Audio Technica ATH-W10VTG Vintage](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/ath-w10vtg-vintage)

[🥳](https://emojipedia.org/partying-face)[🥳](https://emojipedia.org/partying-face)[🥳](https://emojipedia.org/partying-face) !!!!! OVER 500 GRAPHS !!!!! [🥳](https://emojipedia.org/partying-face)[🥳](https://emojipedia.org/partying-face)[🥳](https://emojipedia.org/partying-face)\
\
[2024 , September 21 - Sony MDR-E565](https://itsgreq.gitbook.io/headphone-measurements/flathead-earbuds/earbud-graphs-with-modified-minidsp-ears/sony-mdr-e565)

[2024 , September 21 - Sony MDR-E272](https://itsgreq.gitbook.io/headphone-measurements/flathead-earbuds/earbud-graphs-with-modified-minidsp-ears/sony-mdr-e272)

[2024 , September 21 - STAX SR-Lambda Spirit](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-lambda-spirit)

[2024, September 21 - Audio Technica ATH-EM707](https://itsgreq.gitbook.io/headphone-measurements/flathead-earbuds/earbud-graphs-with-modified-minidsp-ears/audio-technica-ath-em707)

[2024, September 21 - Audio Technica ATH-EC707](https://itsgreq.gitbook.io/headphone-measurements/flathead-earbuds/earbud-graphs-with-modified-minidsp-ears/audio-technica-ath-ec707)

[2024 , September 21 - Denchoh DH-1](https://itsgreq.gitbook.io/headphone-measurements/broken-reference) (old pads)

[2024 , September 21 - Napolex TPH-100](https://itsgreq.gitbook.io/headphone-measurements/napolex/tph-100)

[2024 , September 21 - DR-S100 武道館 Boodo Khan + DR-S7 Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/drs100-wu-dao-guan-boodo-khan)

[2024 , September 21 - Sony DR-S7](https://itsgreq.gitbook.io/headphone-measurements/sony/dr-s7)

[2024 , September 21 - Ultrasone HFI-2200 ULE](https://itsgreq.gitbook.io/headphone-measurements/ultrasone/hfi-2200-ule)

[2024 , September 21 - JVC HA-FXZ200](https://itsgreq.gitbook.io/headphone-measurements/iems/jvc/ha-fxz200)

[2024, September 19 - Fostex TH900mk2](https://itsgreq.gitbook.io/headphone-measurements/fostex/th900mk2)

[2024, September 19 - Elecom HS-ARMA30E](https://itsgreq.gitbook.io/headphone-measurements/iems/elecom-hs-arma30e)

[2024, September 16 - Jabra Evolve 40](https://itsgreq.gitbook.io/headphone-measurements/jabra-evolve-40)

[2024, September 16 - Beyerdynamic DT550 (Gold) ](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt550-gold)

[2024, September 16 - Beyerdynamic DT550 (Gold) with foam instead of original felt (not good)<br>](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt550-gold/dt550-gold-with-new-foam-minus-original-felt)

[2024, September 10 - Fostex T20RP + aftermarket pads<br>](https://itsgreq.gitbook.io/headphone-measurements/fostex/t20rp-+-aftermarket-pads)

[2024, September 07 - Pioneer SE-A8](https://itsgreq.gitbook.io/headphone-measurements/pioneer/se-a8)

[2024, September 07 - Pioneer SE-A80](https://itsgreq.gitbook.io/headphone-measurements/pioneer/se-a80)

[2024, September 07 - Beyerdynamic DT550 (Silver) + Denon D2/5/7K Pads](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt550-silver-+-denon-d2-5-7k-pads)

[2024, August 11 - Shure E2](https://itsgreq.gitbook.io/headphone-measurements/iems/shure/shure-e2)

[2024, August 11 - Shure SE-110](https://itsgreq.gitbook.io/headphone-measurements/iems/shure/shure-se-110)

[2024, August 09 - Rose Technics CERAMICS X](https://itsgreq.gitbook.io/headphone-measurements/iems/rose-technics/rose-technics-ceramics-x)

[2024, August 09 - Rose Technics QT-X](https://itsgreq.gitbook.io/headphone-measurements/iems/rose-technics/rose-technics-qt-x)

[2024, August 09 - Kiwi Ears Orchestra Lite](https://itsgreq.gitbook.io/headphone-measurements/iems/kiwi-ears/kiwi-ears-orchestra-lite)

[2024, August 1 - Mirph Designs MIRPH-1](https://itsgreq.gitbook.io/headphone-measurements/mirph-designs-mirph-1)

[2024, August 1 - Simgot EA1000](https://itsgreq.gitbook.io/headphone-measurements/iems/simgot/simgot-ea1000)

[2024, July 18 - A9 Pro](https://itsgreq.gitbook.io/headphone-measurements/iems/a9-pro)

[2024, July 18 - Moondrop Chu II](https://itsgreq.gitbook.io/headphone-measurements/iems/moondrop-chu-ii)

Due to increase in IEM graph library, it is moved out of sharing library with Flathead Earbuds

[2024, July 11 - Yamaha YH-5M - Open](https://itsgreq.gitbook.io/headphone-measurements/yamaha/yh-5m)

[2024, July 11 - Yamaha YH-5M - Closed](https://itsgreq.gitbook.io/headphone-measurements/yamaha/yh-5m)

[2024, July 11 - JVC HA-SW01 + Yaxi stPad2-LR](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sw01/jvc-ha-sw01-+-yaxi-stpad2-lr)

[2024, July 11 - JVC HA-SW01 + Yaxi stPad2-LR (Stock vs. Yaxi)](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sw01/jvc-ha-sw01-+-yaxi-stpad2-lr)

[2024, July 11 - Stax Lambda Signature (comparison)](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-lambda-signature)

[2024, July 11 - Stax Lambda Signature (bass seal applied)](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-lambda-signature)

[2024, July 11 - Stax Lambda Signature](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-lambda-signature)

[2024, July 11 - Napolex X23](https://itsgreq.gitbook.io/headphone-measurements/napolex/x-23)

[2024, July 11 - Magic Listening Hyper Training Phone for the DC Sound](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/magic-listening-hyper-training-phone-for-the-dc-sound)

[2024, July 11 - Audio Technica ATH-A10 Anniversary](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/ath-a10-anniversary)

[2024, July 11 - Sony IER-M7](https://itsgreq.gitbook.io/headphone-measurements/iems/sony/sony-ier-m7)

[2024, July 11 - Rose Technics RT EARFREE-i3 (Passthrough Mode)](https://itsgreq.gitbook.io/headphone-measurements/iems/rose-technics/rose-technics-earfree-i3)

[2024, July 11 - Rose Technics RT EARFREE-i3 (Noise Cancelling On)](https://itsgreq.gitbook.io/headphone-measurements/iems/rose-technics/rose-technics-earfree-i3)

[2024, July 11 - Rose Technics RT EARFREE-i3 (normal mode)](https://itsgreq.gitbook.io/headphone-measurements/iems/rose-technics/rose-technics-earfree-i3)

[2024, July 11 - Rose Technics Star City 5 Pro](https://itsgreq.gitbook.io/headphone-measurements/iems/rose-technics/rose-technics-star-city-5-pro)

[2024, July 11 - Simgot EM6L](https://itsgreq.gitbook.io/headphone-measurements/iems/simgot/simgot-em6l)

[2024, July 11 - AKG K1000 (3 settings compared)](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k1000)

[2024, July 11 - AKG K1000 (fully open wide)](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k1000)

[2024, July 11 - AKG K1000 (half open wide)](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k1000)

[2024, July 11 - AKG K1000](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k1000)

[2024, July 04 - Stax SR-80 Pro](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-80-pro)

[2024, July 04 - Stax SR-80 Pro + Bass seal](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-80-pro/sr-80-pro-with-bass-seal)

[2024, July 03 - Sennheiser HD250 Linear II<br>](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd250-linear-ii-aftermarket-pads)

[2024, June 06  - Apple Airpods Pro Gen 3](https://itsgreq.gitbook.io/headphone-measurements/iems/apple-airpods-pro-gen-3)

[2024, June 06 - Fostex TH808 ](https://itsgreq.gitbook.io/headphone-measurements/fostex/th808)

[2024, June 06 - Fostex TH808 - without foam](https://itsgreq.gitbook.io/headphone-measurements/fostex/th808/th808-without-baffle-foam)

[2024, June 06 - Sony MDR-E888](https://itsgreq.gitbook.io/headphone-measurements/flathead-earbuds/earbud-graphs-with-modified-minidsp-ears/sony-mdr-e888)

[2024, May 18 - Trio KH-0.5 (The world's first flathead earbud)](https://itsgreq.gitbook.io/headphone-measurements/trio-kenwood/untitled-77)

[2024, May 18 - Toshiba HR-X1 (Forced seal with double pads)](https://itsgreq.gitbook.io/headphone-measurements/toshiba/hr-x1/hr-x1-forced-bass-seal-with-double-pads)

[2024, May 18 - Toshiba HR-X1](https://itsgreq.gitbook.io/headphone-measurements/toshiba/hr-x1)

[2024, May 14 - STAX SR-009 (Forced seal vs. Normal seating (one channel))](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-009)

[2024, April 11 - Audio Technica ATH-AD2000 (aftermarket velour pads)](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/ath-ad2000/ath-ad2000-+-aftermarket-velour-pads)

[2024, April 11 - Audio Technica ATH-AD2000 ](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/ath-ad2000)

[2024, April 11 - Sennheiser HD540 reference gold (HD540II Velour pads)](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd540-reference-gold/hd540-reference-gold-+-later-velour-pads)

[2024, April 11 - Sennheiser HD540 reference gold (original pads)](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd540-reference-gold)

[2024, March 28 - Sennheiser HD340 Expression Line](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd340-expression-line)

[2024, March 28 - Victor HP-D900 + Aftermarket RS195 Leather Pads](https://itsgreq.gitbook.io/headphone-measurements/jvc/victor-hp-d900-+-aftermarket-rs195-pleather-pads/victor-hp-d900-+-aftermarket-rs195-leather-pads)

[2024, March 22 - Ultrasone Zino](https://itsgreq.gitbook.io/headphone-measurements/ultrasone/zino)

[2024, March 22 - Sony MDR-M77](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-m77)

[2024, March 22 - Sennheiser HDR175 + Surround High](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hdr175/hdr175-+-surround-high)

[2024, March 22 - Sennheiser HDR175 + Surround Low](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hdr175/hdr175-+-surround-low)

[2024, March 22 - Sennheiser HDR175 + Bass Boost](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hdr175/hdr175-+-bass-boost)

[2024, March 22 - Sennheiser HDR175](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hdr175)

[2024, March 18 - Koss Tech/2](https://itsgreq.gitbook.io/headphone-measurements/koss/tech-2)

[2024, March 18 - Sony MDR-7510](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-7510)

[2024, March 18 - Sony MDR-7510 + Z1000 Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-7510/mdr-7510-+-z1000-pads)

[2024, March 04 - JVC HP-660](https://itsgreq.gitbook.io/headphone-measurements/jvc/hp-660)

[2024, March 03 - Sennheiser HD540 + Early Production Pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd540-reference-+-late-version-velour-pads/hd540-+-early-production-pads)

[2024, March 03 - HORNYPHON 6320](https://itsgreq.gitbook.io/headphone-measurements/hornyphon-6320)

[2024, February 24 - Altiat Cal.1H + Geekria Comfort Mesh Pads](https://itsgreq.gitbook.io/headphone-measurements/altiat-cal.1h-velour-pads/cal.1h-+-geekria-comfort-mesh-pads)

[2024, February 24 - Altiat Cal.1H - Tuning Puck removed from Velour Pads](https://itsgreq.gitbook.io/headphone-measurements/altiat-cal.1h-velour-pads/cal.1h-tuning-puck-removed)

[2024, February 24 - Altiat Cal.1H - Velour Pads (stock)](https://itsgreq.gitbook.io/headphone-measurements/altiat-cal.1h-velour-pads)

[2024, February 17 - Shure SE-215](https://itsgreq.gitbook.io/headphone-measurements/iems/shure/shure-se-215)

[2024, February 17 - One More Triple Driver](https://itsgreq.gitbook.io/headphone-measurements/iems/one-more-triple-driver)

[2024, February 17 - Sony MDR-XB55](https://itsgreq.gitbook.io/headphone-measurements/iems/sony/sony-mdr-xb55)

[2024, February 17 - JVC Gumy Plus HA-FX5](https://itsgreq.gitbook.io/headphone-measurements/iems/jvc/jvc-gumy-plus-ha-fx5)

[2024, January 29 - Beyerdynamic T51p](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/t51p)

[2024, January 19 - NAD RP18 (Mylar)](https://itsgreq.gitbook.io/headphone-measurements/nad/rp18)

[2024, January 19 - Sony MDR-1R](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-1r)

[2024, January 16 - Koss Pro/450](https://itsgreq.gitbook.io/headphone-measurements/koss/pro-450)

[2024, January 16 - Elecom HS-ARMA100BK](https://itsgreq.gitbook.io/headphone-measurements/elecom/hs-arma100bk)

[2024, January 16 - Sennheiser HD540 (late version velour pads)](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd540-reference-+-late-version-velour-pads)

[2024, January 16 - Sansui SS-10](https://itsgreq.gitbook.io/headphone-measurements/sansui/ss-10)

[2024, January 16 - National EAH-88 (Max Tone) (Technics/Panasonic)](https://itsgreq.gitbook.io/headphone-measurements/national-eah-88-max-tone)

[2024, January 16 - National EAH-88 (Min Tone) (Technics/Panasonic)](https://itsgreq.gitbook.io/headphone-measurements/national-eah-88-max-tone/national-eah-88-min-tone)

[2024, January 16 - Victor (JVC) HP-1100](https://itsgreq.gitbook.io/headphone-measurements/jvc/hp-1100)

[2024, January 16 - JVC HA-SD7](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sd7)

[2024, January 14 - Sony MDR-V6 + Old flakey pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-v6-+-z1000-pads/mdr-v6-+-old-flakey-pads)

[2024, January 14 - Sony MDR-V6 + Z1000 Pads + Comfort Foam Mod](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-v6-+-z1000-pads/mdr-v6-+-z1000-pads-+-comfort-foam-mod)

[2024, January 10 - Sony MDR-V6 + Z1000 Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-v6-+-z1000-pads)

[2024, January 10 - Bose QC15](https://itsgreq.gitbook.io/headphone-measurements/bose/qc15)\
\
[🥳](https://emojipedia.org/partying-face) !!! 400 GRAPHS !!! [🥳](https://emojipedia.org/partying-face)\
\
[2024, January 09 - Sony MDR-CD999 + Aftermarket HA-SW01 Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd999-+-old-stock-pads/mdr-cd999-+-aftermarket-ha-sw01-pad)

[2024, January 09 - Sony MDR-CD999 + Z1000 Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd999-+-old-stock-pads/mdr-cd999-+-z1000-pads)

[2024, January 09 - Sony MDR-CD999 + W820BT Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd999-+-old-stock-pads/mdr-cd999-+-w820bt-pads)

[2024, January 09 - Sony MDR-CD999 + Old Stock Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd999-+-old-stock-pads)

[2024, January 07 - Sony MDR-CD777](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd777)

[2024, January 07 - Smiggle Block Tunes](https://itsgreq.gitbook.io/headphone-measurements/smiggle-block-tunes)

[2024, January 07 - Sineaptic SE-1 - No Pad Mod](https://itsgreq.gitbook.io/headphone-measurements/sineaptic-se-1/sineaptic-se-1-no-pad-mod)

[2024, Jaunary 07 - Pioneer SE-700 + New Pleather Pads - Updated Graph](https://itsgreq.gitbook.io/headphone-measurements/pioneer/untitled-3/untitled-4)

[2024, January 07 - Monacor CD Laser Stereo-Kopfhoerer MD-4000 Best. Nr. 22.0080 + Velour Pad](https://itsgreq.gitbook.io/headphone-measurements/monacor-cd-laser-stereo-kopfhoerer-md-4000-best.-nr.-22.0080/monacor-cd-laser-stereo-kopfhoerer-md-4000-best.-nr.-22.0080-+-velour-pad)

[2024, January 07 - Monacor CD Laser Stereo-Kopfhoerer MD-4000 Best. Nr. 22.0080](https://itsgreq.gitbook.io/headphone-measurements/monacor-cd-laser-stereo-kopfhoerer-md-4000-best.-nr.-22.0080)

[2024, January 07 - Hifiman HE-500 + Focus Pads](https://itsgreq.gitbook.io/headphone-measurements/hifiman/untitled-41/hifiman-he-500-+-focus-pads)

[2024, January 07 - Exibel MHX70](https://itsgreq.gitbook.io/headphone-measurements/exibel-mhx70)

[2024, January 07 - Eurochannels EH-520](https://itsgreq.gitbook.io/headphone-measurements/eurochannels-eh-520)

2024, January 07 - Fixed LOTS of bugs - Unified graph scaling, unified graph colours, removed stray emojis, replaced some very old poorly measured graphs with more recent graphs and just starting the year with a bang!!!

[2024, January 5 - JVC HA-MX100-Z - Z1000 Pad/Grey VS. W820BT Pad/Green](https://itsgreq.gitbook.io/headphone-measurements/jvc/untitled-29/jvc-ha-mx100-z-z1000-pad-grey-vs.-w820bt-pad-green)

[2024, January 2 - JVC HA-MX100-Z + Edifier W820BT Pads](https://itsgreq.gitbook.io/headphone-measurements/jvc/untitled-29/jvc-ha-mx100-z-+-edifier-w820bt-pads)

[2023, December 29 - Sennheiser HD560 Ovation + Aftermarket Hifiman Velour Pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd560-ovation-+-aftermarket-pads-hifiman-velour)

[2023, December 29 - Sennheiser HD560 Ovation + Aftermarket Wang Yifei Pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd560-ovation-+-aftermarket-pads-hifiman-velour/hd560-ovation-+-aftermarket-pads-wang-yifei)

[2023, December 29 - Sennheiser HD250 + Aftermarket Wang Yifei Pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd250-linear/hd250-linear-+-aftermarket-pads)

[2023, December 29 - Sennheiser HD250 Linear](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd250-linear)

[2023, December 16 - Takstar XY-E1 ](https://itsgreq.gitbook.io/headphone-measurements/takstar/xy-e1)

[2023, December 11 - JVC HA-MX10-B + Aftermarket MDR-Z1000 Pads](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-mx10-b-+-aftermarket-mdr-z1000-pads)

[2023, December 09 - Sennheiser HD320 Expression Line](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd320-expression-line)

[2023, December 09 - SoundMAGIC HP100](https://itsgreq.gitbook.io/headphone-measurements/soundmagic-hp100)

[2023, December 07 - Lasmex H120 + Bose QC15 Drivers](https://itsgreq.gitbook.io/headphone-measurements/untitled-23/lasmex-h120-+-bose-qc15-drivers)

<mark style="color:red;">• Emoji Ratings have been removed.</mark>

[2023, December 03 - NAD RP18 'Pro Mk6' + Fenestrated Leather EarPads](https://itsgreq.gitbook.io/headphone-measurements/nad/rp18/rp18-pro-mk.6-mod)

[2023, December 03 - Sennheiser HD425](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd425-+-hifiman-pleather-pad)

[2023, December 03 - Peerless PMB 100](https://itsgreq.gitbook.io/headphone-measurements/peerless/pmb-100)

[2023, December 03 - Peerless PMB 85 Double Action](https://itsgreq.gitbook.io/headphone-measurements/peerless/pmb-85-double-action)

[2023, December 03 - Beyerdynamic DT480 + EDT 100 T Pads](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt480-sound-juwel-original-pads/dt480-+-edt-100-t-pads)

[2023, December 03 - Beyerdynamic DT480 + EDT 100 S Pads](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt480-sound-juwel-original-pads/dt480-+-edt-100-s-pads)

[2023, December 03 - Beyerdynamic DT480 + Original Ear Pads](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt480-sound-juwel-original-pads)

[2023, December 03 - JVC HP-1000](https://itsgreq.gitbook.io/headphone-measurements/jvc/hp-1000)

[2023, December 03 - Victor HP-D900 + RS195 Aftermarket Pads](https://itsgreq.gitbook.io/headphone-measurements/jvc/victor-hp-d900-+-aftermarket-rs195-pleather-pads)

[2023, November 15 - JVC HA-DX3 - Driver 'magnet' damping removed](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-dx3/ha-dx3-driver-magnet-damping-removed)

[2023, November 6 - STAX Gamma Pro (sample 2)](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-gamma-pro-sample-1/sr-gamma-pro-sample-2)

[2023, November 4 - JVC HA-SZ2000 + VB630 Leather Pads - Z Series vs. Live Beat](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sz2000-+-generic-aftermarket-pads/ha-sz2000-z-series-vs.-live-beat-+-leather-vb630-pads)

[2023, November 4 - Thai Airways - Free Economoy Class IEM](https://itsgreq.gitbook.io/headphone-measurements/iems/thai-airways-free-economy-class-iem-2023)

[2023, November 3 - Pioneer SE-700 + Brainwavs Angled Leather Pads](https://itsgreq.gitbook.io/headphone-measurements/pioneer/untitled-3/se-700-+-brainwavs-angled-leather-pads)

[2023, October 31 - Technics RP-F1 + Asus ROG Delta Fabric Pads](https://itsgreq.gitbook.io/headphone-measurements/technics/rp-f1-+-asus-rog-delta-fabric-pads)

[2023, October 30 - Sony MDR-V7 + Z1000 Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-v7/mdr-v7-+-z1000-pads)

[2023, October 30 - Sony MDR-V7](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-v7)

[2023, October 20 - Superex ST-PRO-B](https://itsgreq.gitbook.io/headphone-measurements/superex-st-pro-b)

[2023, October 17 - AKG K4](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k4)

[2023, October 13 - Sennheiser HD545 vs. HD580, HD600 and HD650](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd545-vs.-580-600-650)

[2023, October 13 - Sennheiser HD580 Precision + Velour aftermarket pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd580-precision/hd580-stock-vs.-aftermarket-pads)

[2023, October 13 - Sennheiser HD580 Precision](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd580-precision)

[2023, October 11 - Sineaptic SE-1 ](https://itsgreq.gitbook.io/headphone-measurements/sineaptic-se-1)

[2023, October 11 - Sineaptic SE-1 Stock vs. Fenestrated Leather Pads](https://itsgreq.gitbook.io/headphone-measurements/sineaptic-se-1/se-1-stock-pads-vs.-fenestrated-leather-pads)

[2023, October 11 - Sineaptic SE-1 - Demo of poor amp synergy](https://itsgreq.gitbook.io/headphone-measurements/sineaptic-se-1/se-1-wireless-mode-vs.-bad-amp-pairing)

[2023, October 4 - JVC HA-FW1800](https://itsgreq.gitbook.io/headphone-measurements/iems/jvc/jvc-ha-fw1800)

[2023, October 4 - KZ HBB PR2](https://itsgreq.gitbook.io/headphone-measurements/iems/kz/kz-hbb-pr2)

[2023, October 4 - Final E4000 (Updated Graph)](https://itsgreq.gitbook.io/headphone-measurements/iems/final-audio-e4000)

[2023, September 20 - Audeze Maxwell](https://itsgreq.gitbook.io/headphone-measurements/audeze-maxwell)

**2023, September 19** - I've started a [Youtube Channel](https://www.youtube.com/@GREQReviews), where I will do short reviews on mostly vintage headphones, (and some modern equipment) including FR graphs and teardowns where possible.&#x20;

[2023, September 9 - Sennheiser HD555](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd555)

[2023, August 6 - Sennheiser HD545 Reference](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd545-reference)

[2023, August 6 - Koss Pro4/AA + Fostex T50RPmkII Pads](https://itsgreq.gitbook.io/headphone-measurements/koss/pro4-aa/pro4-aa-+-fostex-t50rpmkii-pads)

[2023, August 6 - Koss Pro4/AA](https://itsgreq.gitbook.io/headphone-measurements/koss/pro4-aa)

[2023, August 3 - Sennheiser HD414](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd414)

[2023, July 30 - Philips SHP2500](https://itsgreq.gitbook.io/headphone-measurements/philips/shp2500)

[2023, July 26 - Hifiman HE-500 + Wang Yifei Velour Hifiman Ear Pads](https://itsgreq.gitbook.io/headphone-measurements/hifiman/untitled-41/he-500-+-wang-yifei-hifiman-velour-pads)

[2023, July 15 - Audeze Maxwell + Wicked Cushions Freeze Cooling Gel Ear Pads](https://itsgreq.gitbook.io/headphone-measurements/audeze-maxwell/audeze-maxwell-+-wicked-cushions-freeze-cooling-gel-ear-pads)

[2023, July 11 - Oppo PM1 Velour Pads](https://itsgreq.gitbook.io/headphone-measurements/oppo-pm1-velour-pads)

[2023, July 11 - Oppo PM1 Leather Fenestrated Pads](https://itsgreq.gitbook.io/headphone-measurements/oppo-pm1-velour-pads/oppo-pm1-fenestrated-leather-pads)

[2023, July 8 - Universum (Sawafuji planar)](https://itsgreq.gitbook.io/headphone-measurements/universum-sfi)

[2023, July 8 - Beyerdynamic DT860](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt860)

[2023, July 8 - Audio Technica ATH-909](https://itsgreq.gitbook.io/headphone-measurements/audio-technica/ath-909)

[2023, July 8 - Elega FR-901](https://itsgreq.gitbook.io/headphone-measurements/elega/fr-901c)

[2023, June 30 - JVC HA-DX3](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-dx3)

[2023, June 17 - Sony DR-S3](https://itsgreq.gitbook.io/headphone-measurements/sony/dr-s3-+-aftermarket-srh840-pads)

[2023, June 11 - Sony DR-S100 武道館 Boodo Khan](https://itsgreq.gitbook.io/headphone-measurements/sony/drs100-wu-dao-guan-boodo-khan)

[2023, June 11 - Pioneer SE-M750](https://itsgreq.gitbook.io/headphone-measurements/pioneer/se-m750)

[2023, June 11 - Sennheiser HD300](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd300)

[2023, June 11 - Technics RP-FT30](https://itsgreq.gitbook.io/headphone-measurements/technics/technics-rp-ft30-+-aftermarket-mdr-1a-pads)

[2023, June 3 - JVC HA-SW01 + Brainwavz Angled Pleather ear pads](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sw01/ha-sw01-+-brainwavs-angled-pleather-pads)

[2023, May 26 - Sennheiser Momentum Ear Pad Repair](https://itsgreq.gitbook.io/headphone-measurements/helpful-guides.../sennheiser-momentum-ear-pad-repair)

[2023, May 26 - Sony MDR-SA3000 Driver Repair](https://itsgreq.gitbook.io/headphone-measurements/helpful-guides.../sony-mdr-sa3000-driver-repair)

[2023, May 24 - AKG K450](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k450)

[2023, May 5 - JVC HA-SZ2000 + Aftermarket HD630VB Pads + EQ](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sz2000-+-generic-aftermarket-pads/ha-sz2000-+-aftermarket-leather-hd630vb-pads-+-eq)

[2023, May 5 - JVC HA-SZ2000 + Aftermarket HD630VB Pads](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sz2000-+-generic-aftermarket-pads/ha-sz2000-+-aftermarket-leather-hd630vb-pads)

[2023, April 30 - Beyerdynamic DT770 32 Ohm](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt770-32-ohm)

[2023, April 30 - Sony MDR-SA3000 + Peerless HPD-50N25PR00-32 Drivers](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-sa3000/mdr-sa3000-+-peerless-hpd-50n25pr00-32-drivers)

[2023, April 30 - Sony MDR-S3000](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-sa3000)

[2023, April 21 - STAX Gamma Pro](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-gamma-pro-sample-1)

[2023, April 18 - Sony MDR-CD2000 + Aftermarket Hifiman Velour Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd2000-sample-1/mdr-cd2000-sample-1-+-aftermarket-hifiman-velour-pads)

[2023, April 17 - Sony MDR-CD2000 - Copy 1](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd2000-sample-1)

[2023, April 17 - Sony MDR-CD2000 - Copy 2](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd2000-sample-1/mdr-cd2000-sample-2)

[2023, April 17 - Sony MDR-CD2000 Comparison](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-cd2000-sample-1/mdr-cd2000-new-vs-old)

[2023, April 17 - AKG K340](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k340)

[2023, April 17 - AKG K340 + Shure SRH840 Pads](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k340/akg-k340-+-srh840-pads)

[2023, April 17 - AKG K340 + Kennerton Odin Pads](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k340/akg-k340-+-kennerton-odin-pads)

[2023, April 12 - STAX SR-5NB (2nd Copy)](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-5-gold-bl-sample-1/sr-5-gold-bl-sample-2)

[2023, April 7 - STAX SR-5NB stock vs aftermarket Denon D2/5/7K pads](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-5-gold-bl-sample-1/sr-5-gold-bl-stock-vs.-aftermarket-denon-d2-5-7k-pads)

[2023, April 7 - STAX SR-5NB](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-5-gold-bl-sample-1)

[2023, April 2 - Headphone Sins - Hats](https://itsgreq.gitbook.io/headphone-measurements/helpful-guides.../headphone-sins-hats) (Helpful Guides)

[2023, March 29 - JVC HA-SZ2000 EQ Profile](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sz2000-+-generic-aftermarket-pads/ha-sz2000-+-generic-aftermarket-pads-+-eq-profile)

[2023, March 29 - JVC HA-SZ2000](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sz2000-+-generic-aftermarket-pads) 🤪

[2023 , March 22 - STAX Lambda Pro](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-lambda-pro) - A-class amped

[2023, March 22 - STAX Lambda Pro](https://itsgreq.gitbook.io/headphone-measurements/stax/sr-lambda-pro/sr-lambda-pro) - D-class amped

[2023, March 21 - Panasonic RP-HT360](https://itsgreq.gitbook.io/headphone-measurements/panasonic/rp-ht360)

[2023, March 19 - Lazerbuilt Minions Headphone ](https://itsgreq.gitbook.io/headphone-measurements/lazerbuilt-minions)

[2023, March 19 - Philips SHP8500](https://itsgreq.gitbook.io/headphone-measurements/philips/shp8500)

[2023, March 11 - Sony MDR-V5 + aftermarket pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-v5-aftermarket-pads-v2) V2

[2023, March 11 - Koss HV/99 (InterSound) (DIY Memory Foam Pads)](https://itsgreq.gitbook.io/headphone-measurements/koss/hv-99-interfunk)

[2023, March 11 - Razer Blackshark V2 X](https://itsgreq.gitbook.io/headphone-measurements/razer/blackshark-v2-x)

[2023, March 11 - Razer Kraken V3 X](https://itsgreq.gitbook.io/headphone-measurements/razer/kraken-v3-x)

[2023, March 05 - Sony MDR-V5 + aftermarket pads](https://itsgreq.gitbook.io/headphone-measurements/sony/mdr-v5-aftermarket-pads-v2/mdr-v5-aftermarket-pads-v1)

[2023, March 05 - Sennheiser HD600 vs HD650 - old pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd600-vs-hd650-new-pads/hd600-vs-hd650-old-pads)

[2023, March 05 - Sennheiser HD600 vs HD650 - new pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd600-vs-hd650-new-pads)

[2023, March 05 - Sennheiser HD650 - old vs. new pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/sennheiser-hd-650/hd650-old-vs.-new-pads)

[2023, March 05 - Sennheiser HD650 - old pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/sennheiser-hd-650/hd650-old-pads)

[2023, March 05 - Sennheiser HD600 - new pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd600) 💎💎💎

[2023, March 05 - Sennheiser HD600 - old pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd600/hd600-old-ear-pads)

[2023, March 05 - Sennheiser HD600 - old vs new pads](https://itsgreq.gitbook.io/headphone-measurements/sennheiser/hd600/hd600-old-vs-new-ear-pads)

[2023, March 01 - Hifiman HE-6 + Aftermarket HE-560 Pads](https://itsgreq.gitbook.io/headphone-measurements/hifiman/he-6/he-6-+-aftermarket-he-560-pads)

[2023, March 01 - Hifiman HE-500 + Aftermarket HE-560 Pads](https://itsgreq.gitbook.io/headphone-measurements/hifiman/untitled-41/he-500-+-aftermarket-he-560-pads) 💎💎💎💎💎

[2023, March 01 - Ultrasone HFI-2000 + Aftermarket HE-560 Pads](https://itsgreq.gitbook.io/headphone-measurements/ultrasone/hfi-2000-+he500-pads/hfi-2000-+-aftermarket-he560-pads)

[2023, February 23 - Beyerdynamic MMX300](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/mmx300)

[2023, February 18 - Philips N 6301 + Aftermarket Pads](https://itsgreq.gitbook.io/headphone-measurements/philips/n-6301/n-6301-+-aftermarket-pads)

[2023, February 18 - Philips N 6301](https://itsgreq.gitbook.io/headphone-measurements/philips/n-6301)

[2023, February 16 - JVC HA-SW01 + Aftermarket Pad](https://itsgreq.gitbook.io/headphone-measurements/jvc/ha-sw01/jvc-ha-sw01-+-ebay-sw02-pads)

[2023, February 16 - DT880M - 'With vs. Without EF880'](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/untitled-59/dt880m-with-vs.-without-ef880m)

[2023, February 15 - AKG K501 - Stock vs Foam Mod](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k501/akg-k501-stock-vs.-foam-mod)

[2023, February 15 - AKG K501 Foam Mod](https://itsgreq.gitbook.io/headphone-measurements/akg/akg-k501/akg-k501-foam-mod)

[2023, February 14 - Sony MDR-CD1700 + Aftermarket Pads](https://itsgreq.gitbook.io/headphone-measurements/sony/sony-mdr-cd1700/mdr-cd1700-sample-1-aftermarket-pads)

[2023, February 14 - Pioneer SE-M870 + Aftermarket SW02 Pads](https://itsgreq.gitbook.io/headphone-measurements/pioneer/se-m870-+-z1000-pads/se-m870-+-sw02-pads)

**2023, February 12 - Hifiman HE-6 (ORIGINAL 4 SCREW VERSION)**

2023, February 12 - Hifiman HE-6 + Pali Pads

2023, February 12 - Hifiman HE-6 + Modified AKG K551 Pads

2023, February 12 - Hifiman HE-500 + Pali Pads

2023, February 12 - Sennheiser HD25 Aluminium

2023, February 12 - Sennheiser HD 25 Aluminium + Aftermarket Pads

2023, February 12 - Sennheiser HD 25-1 II

2023, February 9 - Sennheiser HD222

2023, February 9 - AKG K501

2023, January 23 - Sony MDR-ZX110

2023, January 23 - Turtle Beach Ear Force P11

2023, January 23 - Pioneer SE-4

2023, January 23 - Ultrasone HFI-2000

2023, January 23 - Final Audio E4000

2023, January 23 - Sennheiser CX890i

2023, January 23 - Sennheiser CX880i

2023, January 18 - JVC HA-FX45S

2023, January 12 - Philips SBC HP890 + Elecom VR Drivers

2023, January 07 - 'Mono Plug'

2023, January 07 - Sony MDR-W10

2023, January 07 - Aiwa Sound GT (HP-V33)

2023, January 07 - Aiwa HP-V35

2023, January 07 - Sony MDR-E414

2023, January 07 - Sony MDR-102

2022, December 20 - Vivanco SR80

2022, December 20 - Philips SBC484

2022, December 16 - Sony MDR-CD900ST + aftermarket leather CD900ST pads 💎

2022, December 16 - Sennheiser M2 AEBT (wired) + aftermarket leather pads - ANC Off

2022, December 16 - Sennheiser M2 AEBT (wired) + aftermarket leather pads - ANC On

2022, December 15 - Sony MDR-CD780

2022, December 15 - Sony MDR-CD1700 - Comparison of sample averages

2022, December 15 - Sony MDR-CD1700 - Sample 3

2022, December 13 - Sony MDR-CD1700 - Sample 2

2022, December 13 - JVC HA-SW01 + Leather MDR-V6/MDR-CD990ST Pads

2022, December 11 - Philips SBC HP890 + Blon S7P Drivers&#x20;

2022, December 11 - Philips SBC HP890&#x20;

2022, December 11 - Echo TDS-16

2022, December 10 - Sennheiser HD205

2022, December 10 - Sennheiser HD230

2022, December 03 - Pioneer SE-M870 + Z1000 Pads

2022, November 27 - Sennheiser HD230 + superlux pads + thermolam damping

2022,  November 27 - Sony MDR-CD900ST + aftermarket Z1000 pads

2022,  November 27 - Sony MDR-CD900ST + aftermarket ATH-M50 pads

2022,  November 27 - Sony MDR-CD900ST + aftermarket MDR-1A pads

2022,  November 27 - Sony MDR-CD900ST

2022,  November 27 - JVC HA-MX100-Z + aftermarket Z1000 pads - graph updated

2022, November 11 - Combatwing M180 Pro

2022, November 11 - Logitech G432

2022, October 09 - AKG K315

2022, October 09 - The Kube Black

2022, October 09 - Elibuds Sabia V6 - Brass Shell Mod

2022, October 09 - Sony MDR-E212

2022, October 09 - Sony MDR-E557

2022, October 09 - Sony MDR-E868

NEW SUB-SECTION - 2022, October 09 - Earbud Graphs with MODIFIED miniDSP EARS

2022, October 09 - Beyerdynamic DT770 Pro 80

2022, October 09 - Beyerdynamic DT790 + DT770 250 ohm drivers

2022, September 03 - Hifiman DEVA Pro

2022, September 03 - AKG K240 DF

2022, August 29 - Rockjaw Acreo - mod 2

2022, July 18 - Rockjaw Acreo - mod

2022, July 12 - NAD RP18 Mk.V modified

2022, July 12 - Pages about the same headphone are now nested

2022, June 25 - Sony MDR-XB700 (old pads)

2022, June 25 - Sennheiser PC8

2022, June 15 - Pioneer SE-11 eleven - Over Ear Mod + HyperX Velour Pads 🛠️

2022, June 13 - DROP + JVC HA-FWX1 (IEM)

2022, June 07 - Sennheiser HD451

2022, June 07 - Sennheiser HD224X + DIY foam

2022, June 07 - Sennheiser HD224X

2022, June 07 - Sony MDR-CD1700 + Left Channel MDR-V700 driver

2022, May 25 - Qpad QH-85

2022, May 21 - HyperX Cloud 2 / Cloud II

2022, Mar 18 - Yamaha RH-40M + Wewom HA-SW01 ear pads

2022, Mar 18 - JVC HA-SW01 + YDYBZB ear pads

2022, Mar 11 - JVC HA-SW01 + Wewom ear pads

2022, Feb 27 - JVC HA-S770-W (copy 2) Modified

2022, Feb 27 - JVC HA-S770-W (copy 2)&#x20;

2022, Jan 29 - Bose QC3 (Passive Mod)

2022, Jan 29 - JVC HA-SW01 + Brainwavz Aftermarket Pads

2022, Jan 29 - JVC HA-SW01 + SRH840 Pads

2022, Jan 11 - JVC HA-SW01

2022, Jan 02 - Aiwa HP-X1000 - Mica Composite Dome removed

2021, Nov 08 - Magnat LZR-765

2021, Nov 08 - Pioneer SE-900D - Updated page with new mod/graph

*2021, Nov 03 - Yamaha YHL-006 - remeasured*

2021, Nov 03 - AKG K141 + SHP8900 pads + Corsair Void pads

2021, Nov 02 - Koss K/6X Plus + some random on ear pads

2021, Nov 02 - Koss K/6X Plus + MDR-A1 Ear Pads

*2021, Oct 28 - Pioneer SE-505 - remeasured*

2021, Oct 06 - Sennheiser PC360 G4ME

2021, Oct 05 - Beyerdynamic DT990 - Modified

2021, Oct 03 - Sony DR-Z6

2021, Sep 27 - Lasmex H120 - Modified (LZR-980 Driver)

2021, Sep 21 - Magnat LZR-980

2021, Sep 12 - Beyerdynamic DT330 "MK3" (Modified)&#x20;

2021, Sep 11 - Beyerdynamic DT330 MKII + DT770 Pads

2021, Sep 11 - Beyerdynamic DT330 MKII

2021, July 26 - Sennheiser M2 AEBT - Wired + Foam Spacers - New Page

2021, July 25 - Technics EAH-320 - New Page

2021, July 17 - Takstar Pro 82 - New Pages

*2021, July 11 - Lethal Earsubs 5557 - Remeasured*

*2021, July 11 - Lethal Earsubs 5556- Remeasured*

*2021, July 11 - Metal Bullet Super Bass - Remeasured*

*2021, July 11 - Philips SHE9900 - Remeasured*

2021, July 3  - HTC Max 300 - New Page

*2021, July 3  - Beyerdynamic DX 160 ie - Remeasured*

*2021, July 3  - Sennheiser CX300 II - Remeasured*

*2021, July 3  - KZ ATE - Remeasured*

*2021, July 3  -* Sennheiser Momentum M2 IEi *- Remeasured*

2021, July 10 - Blon BL-03 - New Page

2021, July 2 - Bose QC25 - New Page

2021, June 6 - AKG K551 - New Pages

## 2020 - June 2021 - Undocumented changes


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