Maybe you do not know Sonnet Audio… but you certainly know Cees Ruijtenberg, who under the Metrum Acoustics banner, was responsible for such highly regarded DACs as the Octave, Hex and Pavane. And while Ruijtenberg has also brought amplifiers and pre-amplifiers to market he remains most notable for his NOS R2R DAC products.

This great DAC from Dutch manufacturer Sonnet Audio sounds great and uses very innovative technologies. It has an integrated lossless volume control. This unit comes with I2S input board which replaces the USB input.

Including a metal remote. Newprice: 3.500 euro, now available for 1.750 euro.

Specs:
Balanced Non oversampling DAC
Two SDA-2 dac modules per channel in differential mode
Power required max 8 Watts
Input 1x optical, 1x coaxial and 1x AES/EBU and I2S
Output 1x stereo pair single ended 2 Volts RMS
Output 1x stereo pair XLR balanced 4 Volts RMS
Frequency Response 44.1 kHz sampling 1Hz – 20 khz -1dB
Frequency Response 192 kHz sampling 1Hz – 65 kHz – 3dB and 384kHz (USB)
Distortion 0.004% THD
Channel separation 120dB
Noise Floor -155 dB related to 2 Volt RMS
Output impedance RCA 100 Ohm, XLR 100 Ohm
Sampling rate Optical 44.1 – 96 kHz
Sampling rate Coax and AES/EBU: 44.1 -192 kHz
Sampling rate USB 44.1 – 384kHz (windows)