Cambridge Audio DacMagic Digital-to-Analog Converter with USB, Black USB input connects direct to PC without drivers to act as very high quality DAC/soundcard providing genuine hi-fi quality playback from desktop. Two inputs with both SPDIF & Toslink sockets allow wide range of digital sources to be connected Singled ended phono and XLR balanced audio outputs. Digital output passes through selected source for recording purposes Adaptive Time Filtering (ATFTM) asynchronous upsampling technology converts 16-24 bit audio Twin WM8740 high quality DACs in dual differential mode for excellent stereo imaging.