For versatile, affordable multiroom sound, it may be impossible to beat the M4. This multiroom controller/amplifier provides 30 watts per channel of stereo sound for as many as four rooms, and accommodates up to six source devices. We include all the keypads and IR flashers you need to build a full multiroom audio system.
The M4 gives you everything you need for multiroom sound except the speakers and wires. The controller/amplifier features eight 30-watt digital amps, enough to provide stereo sound in up to four rooms. Four PMKIR single-gang keypads are included; each one controls volume and source selection for one zone, and also has programmable buttons for source device control.