PreSonus Central Station Plus: Studio Control Center with Remote Control 3 sets of stereo analog inputs and 2 sets of 192 kHz S/PDIF digital inputs 3 sets of stereo speaker outputs with Select switches and trim pots Transparent passive audio path with no op amps or integrated circuits Onboard talkback microphone and talkback input Dual 30-segment, fast-acting, peak-hold LED metering. Remote controllable via included Control Station Remote (CSR-1) Remote controllable with included Control Station Remote (CSR-1)