Burson Audio DA-160 4 Input DAC, with 2 USB inputs DAC 160 24bit 192 DAC / 96k USB 2 x USB Inputs, 2 x RCA Outputs, Digital Inputs - Coax and Optical Frequency response: 5Hz (-0.3dB) to 35 kHz (-1dB) THD: &lt;0.001% at 6mW/300 Ohms Signal to noise ratio: &gt;101 dB at 0dB gain