GREQ's Headphone Measurements

🏠Headphone Frequency Response Measurement Database
📅Latest updates
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🗃️ Ear Pad Graphs
- YAXI stPad2-LR
🗃️ IEM Graphs
🗃️ Earbud Graphs
- - Earbud Graphs with MODIFIED miniDSP EARS
  AIWA HP-V22
  Aiwa Sound GT (HP-V33)
  Aiwa HP-V35
  AIWA HP-V151
  AKG K315
  Audio Technica ATH-EC707
  Audio Technica ATH-EM707
  JVC HA-F105
  The Kube Black
  The Kube Orange
  Sabia Elibuds V6
  Sabia Elibuds V6 - Mod Brass Shells
  Sony MDR-E212
  Sony MDR-E272
  Sony MDR-E414
  Sony MDR-E557
  Sony MDR-E565
  Sony MDR-E868
  Sony MDR-E888
  Trio KH-0.5
  Vido (blue)
- - (LEGACY GRAPHS - NOT COUNTED) Earbud Graphs with miniDSP EARS
  Aiwa HP-V22
  Aiwa HP-V151
  Aiwa HP-V551
  ANN200
  Apple Earbuds (v2)
  Apple Earbuds (v2) + foam
  Cubu
  JVC HA-F105
  The Kube
  The Kube eK2
  LG SGEY0003721 + Vido drivers
  'Mono Plug'
  Nokia HS47 + Vido drivers
  Panasonic RP-HV377-S + Vido driver
  Sennheiser MX365
  Sennheiser MX365 + Vido drivers
  Sabia V6
  Sabia V6 Rose
  Sabia V6 Silver
  Samlike Retro
  Samlike Retro + Vido drivers
  Vido
  Vido - Modified
Aiwa HP-X1000 + Shure SRH840 Ear pad
- Aiwa HP-X1000 - minus Mica-composite domes 🛠️
Akai ASE-65
🗃️ AKG
Alpha Electronics
Altiat Cal.1H - Velour Pads
- Cal.1H - Tuning Puck Removed
- Cal.1H + Geekria Comfort Mesh Pads
Audeze Maxwell
- Audeze Maxwell + Wicked Cushions Freeze Cooling Gel Ear Pads
🗃️ Audio Technica
Axent Wear Cat Ear Headphones 🐱 - Modified
Bandridge Double Drive EH910DD
- Bandridge Double Drive EH910DD new caps
🗃️ BEYERDYNAMIC
🗃️ BOSE
Combatwing M180 PRO
Creative Auvana Live!
Denon AH-D950
- Denon AH-D950 + MDR-Z1000 Pads
Dero Modell D-500
Dynatron SP6 - OEM of Peerless PMB-6 + AKG K619 ear pads
Echo TDS-16
🗃️ Elecom
- EHP-VROS310 (VR)
- HS-ARMA100BK
🗃️ Elega
- DR-59C
- FR-901C
Eurochannels EH-520
Exibel MHX70
🗃️ FOSTEX
Grado SR80 - Modified
Grundig GDHS 224
🗃️ HIFIMAN
HORNYPHON 6320 🔥🌶️🥵
Hosiden DH-450-S
HyperX Cloud 2
Izumi CIS-330
Jabra Evolve 40
Jamo (Fostex T30 variant) + Sharkoon Rush Core pads
- Jamo (Fostex T30 variant) + aftermarket ATH-M50 pads
🗃️ JVC
Kenwood HS-5
🗃️ KOSS
Kyoto H233
Lasmex H120
Lazerbuilt Minions
Logitech
- G432
- G435
🗃️ MAGNAT
- Magnat LZR-765
- Magnat LZR-980
MB Electronic K600
Mirph Designs MIRPH-1
Monacor CD Laser Stereo-Kopfhoerer MD-4000 Best. Nr. 22.0080
- Monacor CD Laser Stereo-Kopfhoerer MD-4000 Best. Nr. 22.0080 + Velour Pad
🗃️ NAD
- Model 16
- RP18
  RP18 'Pro Mk.6' Mod
  NAD RP18 Mylar Mod Mk.V
  NAD RP18 - Kapton - Mods + Brainwavz angled pads
  NAD RP18 - Mk.III - Mylar + Ori pads
  NAD RP18 - Mylar - Mk.IV
Napolex
- TPH-100
- X-23
National EAH-88 (max tone)
- National EAH-88 (min tone)
Onkyo ES-HF300
Oppo PM1 - Velour Pads
- Oppo PM1 - Fenestrated Leather Pads
- Velour VS Leather
🗃️ PANASONIC
Patriot Viper V360
Peerless
🗃️ PHILIPS
🗃️ PIONEER
Qpad QH-85
🗃️ RAZER
- BlackShark V2 X
- Kraken V3 X
Revox Synergy
- Revox Synergy + SHP2000 Pads
Rockjaw Acero - Mod 2
- Rockjaw Acero - Mod
Ross RE-278
Sansui SS-10
Sanyo PH300
Satolex Plum DH297-A1DR
- Satolex Plum DH297-A1DR + Mod
🗃️ SENNHEISER
Sharkoon Rush
Sineaptic SE-1
Skullcandy Aviator
Smiggle Block Tunes
🗃️ SONY
SoundMAGIC HP100
🗃️ STAX
Superex ST-PRO-B
🗃️ Takstar
- Pro 82
  Pro 82 - Modified
- XY-E1
Tascam TH-02
🗃️ TECHNICS
🗃️ TELEFUNKEN
- TH50
- TH60
Toshiba
- HR-811 - Low Gain Mode
  HR-811 - High Gain Mode
- HR-X1
  HR-X1 - Forced bass seal with double pads
Trio/Kenwood
- KH-33
- KH-83
Turtle Beach Ear Force P11
UHER W775
🗃️ ULTRASONE
Universum (SFI)
🗃️ VIVANCO
Watson Mod.940
Wega DSH500
🗃️ YAMAHA

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AKG K271 MKII

Last updated 10 months ago

Easily the worst 'modern' AKG I've heard