Fosi Audio’s i5 headphones and ZH3 DAC/Amp turned my wife into a believer, and will likely do the same for you

Fosi ZH3 ships with a 3.5mm-to-6.35mm adapter, 12V trigger cable, convertible USB-A/USB-C-to-USB-C cable, 12V power adapter, IR remote, and manual i5 headphones and ZH3 DAC/Amp packaging contents listed.

Fosi i5 includes a 6.35mm adapter, 1.5m dual 3.5mm cable with 4.4mm balanced termination, and a manual, i5 accessories listed.

Fosi ZH3 uses XMOS XU316 chipset, AKM4493SEQ DAC, and four OPA1612 op amps, zH3 chipset and components specified.

Provides 4.4mm balanced, 6.35mm single-ended, RCA and XLR outputs and coaxial, optical, USB-C, and RCA inputs, zH3 outputs and inputs enumerated.

Supports USB PCM up to 32-bit/768kHz and DSD512; optical and coaxial support PCM up to 24-bit/192kHz, zH3 maximum sampling rates by input.