Past IEMs: Hercules Moses, Oriolus Traillii Ti, Oriolus Traillii JP, Subtonic Storm (LE), Elysian Dio, Elysian X (v1), Elysian X (v2), Elysian Anni 23, Vision Ears VE10, CFA Clara, CFA Clara Ti, Acoustune HS2000MX Mk3, PMG APX SE, FF Maestro SE, FE Macbeth, Symphonium Europa, Aroma Jewel, Canpur 622b, Softears RSV, CFA Trifecta, Madoo Typ512, Fir Rn6, Fir M5, 64A Volür, 64A U12t, 64A Trio, 64A U4s, Sony IER-Z1R, Sony IER-M7, UM Mason FS ST, UM AP, UM MM, UM Indigo, UM Max, UM MEST Mk3, UM MEST Mk2, UM MEXT, Mega5-EST, Mega5-EST Bass+, Dunu SA6, Simgot EA500, Shure SE535
Past DAPs: LPGT Ti, LP6k, Cayin N30LE, Shanling M8T, iBasso DX160, Hiby R5
Past Amps/ DAC-Amps: Brise Tsu OE, Brise Tsu V2, L&P EA4, Sony DMP-Z1, Sony TA-Z, iBasso PB5