DAC iFi Audio xDSD

USB Input: up to PCM768kHz & DSD512 (24.6/22.6MHz)
S/PDIF Coaxial and Optical Input: up to 192kHz/24Bit
Dynamic Range: > 113dB (A)
Volume Control: -101dB…0dB in 1dB steps
Output power:
> 2.82V/500 mW @ 16 Ohm
> 3.7V/270mW @ 50 Ohm
> 3.8V/48 mW @ 300 Ohm
> 3.8V/24 mW @ 600 Ohm
Line out Level: > 2.1V @ 0dBFS (& 0dB Volume)
THD &N (1V/16R): < 0.005%
Output Impedance: < 1 Ohm
Battery: 3.8V/2200mAh
Dimensions: 95 (l) x67 (w) x19 (h) mm
Weight: 127g (0.28 Ibs)