4.4mm balanced + 3 gain switch => this is gonna be a bigger brick than the Kann... Probably AK's dual series lineup making them the Tinn Kann duo?
Headphones: ZMF Auteur, HD800S, HD6XX, HD598 SE (Sold: HD800S, HD700, Sennheiser Momentum, PXC-550, V-Moda M100)
U/CIEM: Elysian Annihilator, Fir M5, 64Audio U12TR /w EA Leonidas II / DHC Symbiote SP V3 / PS-V3 Exo Bluetooth (Sold: UM Mest, 1964 A12, JH13 FP, 1964 Ears V6, EarWerkz Supra 2 /w Linum Bax cable, FAD Heaven S, SE215 Ltd, Sennheiser CX 200, A-Jays Two, Xiaomi Pistons 2.1)
Wireless: Bose QC35 II , AirPods Pro, WF-1000XM3, Hiby WH2, Pamu Slide
Source: Cayin N8ii, Shanling M8, Hiby R3, iFi Micro iDSD Black, NWZ-A15 (Sold: SP1000M, SR15, Audio-gd NFB-11.28, NW-ZX2, AK240, AK100MK2, AK100, FiiO X3, Colorfly C3, iPod Nano 7G)