Model: SU12

Input method: USB-PC (Supporting OTG), Fiber optic,
coaxial, Bluetooth 5.1 (type-c USB  decoded by Bluetooth chip)
THD: 0.0001% @ 1khz
Signal to Noise Ratio: >124db
Amplifier power: 1200mw
Headphone Resistance: 32-300ohms
Size: 165mm (length) 139mm (depth) 40mm (height)
Power supply: dc12v 2a (5.5* 2.5mm)
Sampling rates supported by each input interface:
p c m: 44.1khz, 48khz, 88.2khz, 96khz, 176.4khz, 192khz, 352.8khz, 384khz
             USB supports full sampling rate, S/PDIF
             opt supports up to 192khz
D S D: 2.8MHz (DSD64) – DOP, Native 5.6MHz (DSD128) – DOP, Native
            11.2MHz (DSD256) – Native, 22.5792MHz (DSD512) – Native
             USB supports all DSD Formats, S/PDIF OPT does not support DSD
Bit Width: up to 32 bits over USB
up to 24 bit over S/PDIF, OPT
Bluetooth protocols: LDac, Aptx-HD, Aptx, SBS, AAC
electrical standards for each interface:
1. The USB input socket is a standard UBS-b female socket
     and does not support USB drives, USB power supply range 4.5v-5.1v;

2. SPDIF interface inputs standard S/PDIF signals with an input
     impedance of 75 ohms