Feature●Left and right balanced Source 1 and 2 Inputs, accepts stereo or mono signal sources●Source 1 and 2 input channels are internally routed to all five Zone channels●5 Zone channels each feature Source 1 and 2 level controls and left and right balanced output XLRs●Stereo/Mono selector on each zone sums left and right into Mono mode when engagedDescription The MX225 is designed for remote volume control of multiple amplifiers or powered speakers in a distributed audio system. Two stereo sources are available to each of five output zones.