The Fosi Audio ZH3 is an all-in-one DAC, headphone amplifier, and preamp designed for high-resolution audio in a compact design.

Featuring the AKM 4493SEQ DAC, XMOS XU316 processor, and 4 OPA1612 op-amps, it supports PCM 768kHz/32-bit and DSD512.

Outputs include 650mW single-ended and 2570mW balanced at 32Ω, with three gain settings supporting headphones from 16–300Ω.