PreSonus Monitor Station V2 Desktop Studio Control Center 4 stereo input pairs plus one S/PDIF digital input into three selectable sources 3 stereo pairs of individually selectable speaker outputs with level controls Cue section with Source select and input- and output - level control Large Main level control plus Main Mute, Mono and Dim switches with variable Dim attenuation 4 screaming-loud stereo headphone amplifiers with volume controls and independent source selection Built-in electret-condenser talkback microphone with input-gain control and Talkback button