Highlights of the Fosi Audio ZH3
-AKM 4493SEQ DAC
-XMOS XU316 processor
-4× OPA1612 op-amps
-11 ultra-low-noise LDOs

General Specifications
Chipset: MOS XU316 + AKM4493SEQ + OPA1612 x 4
Input: Coaxial, Optical, USB, RCA
Output: 4.4mm, 6.35mm, RCA, XLR
Headphone Impedance: 16–300Ω
Maximum Sampling Rates:
USB: PCM 32bit/768kHz, DSD512
OPT (Optical): PCM 24bit/192kHz
COAX (Coaxial): PCM 24bit/192kHz
Power Input: DC 12V

4.4mm Balanced Headphone Output
Max Output Power: 2570mW x 2 (32Ω, THD+N < 1%)
SNR: ≥ 119 dB
Dynamic Range: ≥ 119 dB
THD: ≤ 0.00018%
Noise Floor: ≤ 4.9 μV

6.35mm Single-Ended Headphone Output
Max Output Power: 640mW x 2 (32Ω, THD+N < 1%)
SNR: ≥ 121 dB
Dynamic Range: ≥ 121 dB
THD: ≤ 0.00024%
Noise Floor: ≤ 1.9 μV