M & S Systems DMC1PACK 4 Room Music and Communication System System Includes: Dmc1 Master Unit 4 Dmc1rs Remote Scan Speakers Dmc1rw Outdoor Patio Speaker Mc3 Door Chime Module 30 Watts RMS power drive up to 15 room stations and 3 door speakers 30% smaller than previous models 2 music source inputs 8 AM / 8FM music station presets Speaker remote volume and source control