No EQ.
IEMs: 7hz: Dioko, Legato, Zero, Zero 2. AFUL: MagicOne, Performer 5+2. BQEYZ: Spring 2, Wind, Frost. Campfire Audio: Holocene, Mammoth. Celest: Plutus Beast, Rue, Relentless, Gumiho, IgniteX Beast. CCA: C10, CRA, CRA+, FLA, HM20, Lyra, Pianist, Polaris, Rhapsody, Trio, Hydro. Dunu: SA6 mk2, DaVinci. KZ: AS16 Pro, BA10, Castor Bass, Castor Pro Harman, Castor Pro Bass, D-fi, Decet, EDC PRO, EDX PRO, EDX PRO X, EDX Lite, ESX, Krila, PR1 Pro, PR2 v1, PR3, RPX, Saga Balanced, Saga Bass, Vader Balanced, Vader HR, ZAX, ZAT, ZES, ZS4, ZS5 v1, ZS5 v2, ZS6, ZS7, ZS10, ZS10 Pro X, ZS10 pro, ZS10 pro 2, ZS12 Pro X, ZVX, ZVX Pro. Kiwi Ears: Cadenza, KE4, Quintet, Punch, Aether. Moondrop Chu, Kato, Variations, May. Sennheiser CX200, CX400. Tanchjim Ola Bass, Origin. Tangzu Wan Er, Yu Xuan Ji. Thieaudio Legacy 2, Hype 2. Truthear Gate, Hexa, Hola, Nova, Zero, Zero Red. Other brands: Aurian Ocean, Blon Z300, CVJ Konoka, FiiO JH3, QKZ HBB, Tinhifi t3+, Tripowin Mele, TRN V80, Penon Fan 2, Hidizs MP145, Simgot EA500LM, Letshuoer Cadenza 4, Unique Melody Mest mk II, Fatfreq Deuce, Kinera Imperial Verdandi, ISN H20, TFZ Tequila 1, Ivipq Shanhai, Inawaken Dawn MS. Earbuds: NiceHCK eb2s pro, YDSmall. FAAEAL Iris 2.0, Snow Lotus 1.0, Rosemary, Snow Lotus, Iris Ancestor. RIOBuds BE, HD800, Orpheus. Dunu Alpha 3, Sennheiser MX375, VE Monk, Aful PolarNight, Angelears Kaza.
Bluetooth: Huawei Freebuds 5i, Samsung Galaxy Buds2 Pro, Moondrop Space Travel, Simgot FLD100, Xiaomi Redmi Buds 6 Active, 1More Sonoflow, Philips SHB3175, KZ AZ09 Pro, KZ AN01, TRN bt20xs, Moondrop Robin.
Headphones: Sony MDR1A, Philips SHP9500, Philips SHG8050/00, HiFiMan HE400SE, Fiio FT1. AMPs/DAPs: Truthear Shio, Fiio K3, Fiio KA13, Akliam PD5, Fiio KA17, Fiio k11 R2R, Tempotec March V, Tanchjim Luna, Hiby R4, Hidizs AP80 Pro X, Sony NWZ A17, Hiby M300. Speakers: Edifier MR4