MRD-70 AM/FM/CD/MP3 Multi-Zone Component System Part Number: MRD-70 each The MRD-70 AM/FM/CD Receiver and RD-44 Display are the base foundation for an expandable multi-zone system that offers independent control in up to 4 zones equipped with the RD-44 Remote Display and MZ-100 Amp in each zone. Easily connected through a single watertight DIN type cable, each remote has independent control over the audio input source. The many unique features include an intercom that will allow communication between stations. Two auxiliary inputs on the receiver accommodate direct audio input from other audio sources/media players. Just plug in your iPod®, TV or VCR and you have great audio throughout the system. The unique mounting system for the waterproof display accommodates Panel, Pod or bracket mounting. Features AM/FM, CD and MP3 compatible Supports XM (With IXM-10 Module) Waterproof design (Front panel IP65) 2 Auxiliary inputs 1 Auxiliary output Fixed Line output No-Skip CD/MP3 with 10 sec. Delay Specifications Frequency Response: 20Hz to 20KHz (Contoured response) SNR: 85dB Max operating power: 45W /channel x 4 RMS operating power: 20W /channel x 4 Nominal current consumption: 7 Amps (Full power, 4 speakers @ 4 ohms