# Latest updates [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 LyrΓΆ](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
](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
](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) [πŸ₯³](https://emojipedia.org/partying-face)[πŸ₯³](https://emojipedia.org/partying-face)[πŸ₯³](https://emojipedia.org/partying-face) !!!!! OVER 500 GRAPHS !!!!! [πŸ₯³](https://emojipedia.org/partying-face)[πŸ₯³](https://emojipedia.org/partying-face)[πŸ₯³](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 武道逨 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)
](https://itsgreq.gitbook.io/headphone-measurements/beyerdynamic/dt550-gold/dt550-gold-with-new-foam-minus-original-felt) [2024, September 10 - Fostex T20RP + aftermarket pads
](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
](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)\ \ [πŸ₯³](https://emojipedia.org/partying-face) !!! 400 GRAPHS !!! [πŸ₯³](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) β€’ Emoji Ratings have been removed. [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. [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 武道逨 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) πŸ€ͺ [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) πŸ’ŽπŸ’ŽπŸ’Ž [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) πŸ’ŽπŸ’ŽπŸ’ŽπŸ’ŽπŸ’Ž [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 πŸ’Ž 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 2022, December 11 - Philips SBC HP890 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 πŸ› οΈ 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) 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) 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