iFi Micro iDAC2 DSD DAC - Digital Analogue Converter with USB Input - SPDIF Optical Coaxial RCA Output - HiFi High Resolution Desktop Home Audio Headphone Amp - MQA Compatible State of the art compact Digital Analogue Converter/headphone amplifier For home audio, office, or desktop use Burr-Brown True Native chip, Quad-DSD256 and PCM384kHz Input: USB3.0 (USB2.0 compatible) Outputs include S/PDIF optical, Toslink or coaxial (only PCM up to 192KHz), Audio RCA, and 3.5mm headphone <span class="a-text-bold">DirectDrive</span>  To create accurate sound and sonic transparency <span class="a-text-bold">TrueNative Hi-Res Audio</span>  To ensure your music files play in the highest resolution <span class="a-text-bold">Output</span>: &gt; 350mW (2.40V) into 16R (&lt;10% THD+N); &gt; 34mW (3.20V) into 300R (&lt; 0.1% THD+N) <span class="a-text-bold">Zout</span>: &lt; 2 Ohm <span class="a-text-bold">THD+N</span>: &lt; 0.0025% (1V into 16 Ohm, 0dBFS) <span class="a-text-bold">SNR</span>: &gt; 114dBA (3.2V into 16 Ohm, 0dBFS) <span class="a-text-bold">Power consumption</span>: &lt;1.5W <span class="a-text-bold">Dimensions</span>: 158(l)x68(w)x28(h)mm <span class="a-text-bold">Weight</span>: 265g(0.58 lbs) <span class="a-text-bold">Input</span>: USB3.0 (USB2.0 compatible) <span class="a-text-bold">Output</span>: SPDIF RCA; (only PCM up to 192KHz); Audio RCA; 3.5mm Headphone <span class="a-text-bold">Formats</span>: 44.1/48/88.2/96/176.4/192/384KHz <span class="a-text-bold">PCM</span>; 2.8/3.1/5.6/6.2/11.2/12.4MHz <span class="a-text-bold">DSD</span>; 353/384KHz DXD; <span class="a-text-bold">MQA</span> 88.2/96/176.4/192kHz filters <span class="a-text-bold">DAC</span>: Bit-Perfect DSD &amp; DXD DAC by Burr Brown (1-DAC Chip; 2-Channel; 4-Signals) <span class="a-text-bold">PCM</span>: Bit-Perfect/Minimum Phase/Standard, Digital filters selectable <span class="a-text-bold">DSD</span>: Extreme/Extended/Standard, Analogue filters selectable <span class="a-text-bold">DXD</span>: Bit-Perfect Processing, Fixed Analogue filter <span class="a-text-bold">MQA</span>: Fixed MQA Filter