DAPs: Questyle QP1R, QP2R - Sony NW-A55/WalkmanOne, NW-WM1A/WalkmanOne, NW-ZX300/WalkmanOne.
Mobile Transport: Hiby R1, Tempotec V1.
Desktop Transport: Raspberry Pi 4 & HifiBerry Digi2 Pro
DAC/AMPs: Apogee Groove, Groove Anniversary Edition - AudioQuest Dragonfly Cobalt - Chord Mojo 2 - E1DA 9038D, 9038SG3, 9039S, PowerAmp v2.1 - Questyle CMA-18 Portable, CMA-400i, M15, M15i.
AMPs: SMSL SP-400.
IEMs: Akoustyx S6 - final A3000, A4000, A5000, A6000, Adagio V, B3, E1000, E2000, E3000, E4000, E500, E5000, F7200, Grid01, Heaven IV, V, VI, MAKE2, MAKE4, S5000, VR2000, VR3000 - Intime Hibiki (Kyo) 凪, intime-x 2.5mm, Kira 煌 Mark II, Miyabi 雅, Miyabi 雅 Mark II, Nagi 煌, Sho 翔 DD, Sho 翔 DD Halloween, Shu-Mai 烧卖, Sora 碧 2, Sora 碧 Light, Yo 耀 Electro - Maestraudio MAPro 1000 - Sennheiser IE900 - Tanchjim Oxygen.
Cans: final Sonorous-II & III - Sennheiser HD600, HD620S, HD800/SDR, Momentum 4 Copper - Shure SRH1840.
Buds: Ksearphone Bell-LBS, K300.
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www.personalaudionotes.com