PreSonus CENTRAL STATION PLUS Studio Control Center Interface With RemoteWith Central Station, you can easily switch between three sets of stereo, analog input sources. Two stereo S PDIF digital sources connect via one coax and one Toslink optical port. You can audition these sources with up to three pairs of speakers, with individual trim pots for each speakerrecessed to avoid accidents. You also get a pair of line level main outputs, a pair of line level cue outputs, and two screaming loud headphone amplifiers with