Past: 7Hz Legato, 7Hz Sonus, 7hz Zero 2 (4☆), Acoustune HS1790TI (4☆), Aful Performer 5, BASN Bmaster, BASN MMCX, BGVP DM8, BQEYZ Autumn, BQEYZ Spring, Blon x HBB Z300 (3☆), Campfire Audio Bonneville (3☆), CCA Trio (4.5☆), Dunu SA6 Ultra, Effect Audio Cleopatra II OCTA (2☆), Elysian Pilgrim (3☆), FATfreq Maestro Mini (4.5 ☆), FATfreq Maestro SE (2.5 ☆), Fearless Audio CP, Fiio JH5 (4.5☆) Hifiboy OS V3, iBasso DX180 (4☆), iFi GO bar Kensei (5☆), iFi GO pod, iFi hip-dac 3 (4.5☆), Ikko OH2, Ikko OH10, ISN EST50, Kbear Rosefinch, Kiwi Ears Cadenza (3☆), Kiwi Ears Quintet, Kiwi Ears x Crinacle:Singolo (4☆), KZ AS10 Pro (3.5☆), Letshuoer x Gizaudio Galileo, Letshuoer S12 eru mod, Mangird Tea, Moondrop Blessing 2 & B2 Dusk, Moondrop Starfield, Moondrop Stellaris, Oriolus Monachaa (3☆), ONIX Alpha XI1, Oriveti Lowmaster (2.5☆), Penon Fan, Penon Fan 2, Penon Serial, QKZ x HBB Khan, Reecho Spring, Rose Technics QuietSea (3.5☆), SeeAudio Yume Ultra, Simgot EA500LM (3.5☆), Simgot EW300 (3.5☆), Simgot SuperMix 4 (3.5☆), SoundRhyme SR5, Tanchjim Ola, Tangzu Zetian Wu Heyday, Thieaudio Legacy 5, Thieaudio Monarch, TinHifi C3, Tri Star River, Truthear Hexa (3.5☆), Truthear Hola, Truthear Nova, Truthear Zero (4☆), Unique Melody 3DT, Yanyin Canon, Yanyin Moonlight, ZMF Atrium Closed (4.5☆), ZMF Bokeh (3☆), ZMF Caldera (4☆)