PreSonus Monitor Station V2 Desktop Studio Control CenterEasily manage multiple sources and monitor speakers from your desktop with three sets of stereo, line level inputs, a stereo S PDIF digital input, and three pairs of speaker outputs. You also get Main Mute, Mono, and Dim; main and cue outs; four loud headphone amplifiers; and a talkback mic. Features: 4 stereo input pairs into three selectable analog sources 3 stereo pairs of individually selectable speaker outputs with level controls Stereo S PDIF