NAD M51 DDC digital Free Amp Amplifier

Rated Distortion (THD+N with AES 17 filter): <0.0005% (0dBFS)
IMD Distortion: 0.0001%
Signal/Noise Ratio: <-125dB (ref. 0dBFS 2V out)
Channel Separation: >-115dB (ref. 0dBFS Volume -1dB)
Sample Rate: 32kHz to 192kHz (USB and digital S/PDIF)
Frequency Response: ±0.5dB (ref. 20Hz - 96kHz sample rate)
Output Level: 2V (ref. input 0dBFS)
AC Supply: 100-240V AC ~ 50/60Hz
Standby Power: <0.5W
Idle Power: 16W
Dimensions (including feet, extended buttons, and rear panel terminals): 17-1/8" wide, 3-1/8" high, 11-11/16" deep
Net Weight: 12.8 lbs

35-bit, 844 kHz Direct Digital upsampling DAC
Preamp function with selectable inputs and remote volume control
DSP volume control does not truncate bits
Balanced and Single-ended analog stereo outputs
SPDIF Inputs; AES/EBU, Coax, Optical
USB Inputs; 1 host, 1 device
USB Audio Codec 2.0: asynchronous 24-bit, 192 kHz support
HDMI inputs x 2 (stereo only, no surround decoding)
HDMI output (3D video pass-through)
RS-232 for external control
12V In
IR In
VFD shows Input, sample rate, Volume
Inputs can be renamed
IR Remote Control
<0.5W Standby Power Consumptio>