GREQ's Headphone Measurements

GREQ Reviews - Headphone Frequency Response Graph Database
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🗃️ Ear Pad Graphs
- YAXI stPad2-LR
🗃️ IEMs
🗃️ Flathead Earbuds
- - Earbud Graphs with MODIFIED miniDSP EARS
- - (LEGACY GRAPHS - NOT COUNTED) Earbud Graphs with miniDSP EARS
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
🗃️ Kiwi Ears
- Division
- Ellipse
🗃️ 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
Rose Technics Distant Mountain
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
Soundcore Q30
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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National EAH-88 (max tone)

2-Way Coaxial Headphone

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Technics/Panasonic used to be called 'National' in Japan