Linear DMC1 M &amp; S Systems Music Communication Master Unit<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Supports up to 15 room stations and 3 door speakers </span></li><li><span class="a-list-item"> 30 Watts (RMS) maximum output power </span></li><li><span class="a-list-item"> 2 music source inputs and 8 AM/8FM radio station tuner presets </span></li><li><span class="a-list-item"> Remote volume and source control from room stations </span></li><li><span class="a-list-item"> Privacy， intercom， only， and door release features </span></li><li><span class="a-list-item"> 30 Watts RMS power drive up to 15 room stations and 3 door speakers </span></li><li><span class="a-list-item"> 30% smaller than previous models </span></li></ul><!--   Loading EDP related metadata  --><div aria-live="polite" class="a-row a-expander-container a-expander-inline-container"><div aria-expanded="false" class="a-expander-content a-expander-extend-content" style="display: none;"><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">2 music source inputs</span></li><li><span class="a-list-item">8 AM / 8FM music station presets</span></li><li><span class="a-list-item">Speaker remote volume and source control</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41VYZC7AJYL.jpg" noproxy></div></div>