Spec:
PCM
USB IN:44.1kHz-768kHz/16bit-32bit
COAX/OPT IN:44.1kHz-192kHz/16bit-24bit
BT IN:AAC/SBC/APTX/APTX LL/APTX HD/APTX-Adaptive/LDAC

DSD(Native)
USB IN:DSD64-DSD512
COAX/OPT IN:can not support
BT IN:can not support

DSD(DoP)
DSD64-DSD256
COAX/OPT IN:can not support
BT IN:can not support

E70 VELVET DAC parameters (LineOut/USB In@96kHz )
RCA
THD+N (A-wt) THD@90kBw (No-wt) SNR (A-wt):125dB @1kHz
Dynamic range (A-wt):125dB @1kHz
Frequency Response:20Hz- 40kHz (±0.3dB) /20Hz-40kHz (±0.2dB)
Output Level：
2.1Vrms @0dBF S(4V Mode)
2.5Vrms @0dBFS(5V Mode)
Noise (A-wt) Channel Crosstalk：-130dB @1kHz
Channel Balance：0.3dB
Output Impedance：50Ω

XLR
THD+N (A-wt) THD@90kBw (No-wt) SNR (A-wt):131dB @1kHz
Dynamic range (A-wt):131dB @1kHz
Frequency Response:20Hz- 40kHz (±0.2dB) /20Hz-40kHz (±0.8dB)
Output Level：
4.2Vrms @0dBF S(4V Mode)
5.0Vrms @0dBFS(5V Mode)
Noise (A-wt) Channel Crosstalk：-143dB @1kHz
Channel Balance：0.3dB
Output Impedance：100Ω

*Note: The above data is the result obtained from TOPPING lab test under AC220V 50Hz and E70 VELVET set to 5V output mode .