Expandable integrated 4-zone digital audio system offering 6 music sources as well as communication throughout the homeSelect from 6 different high-end audio streams Each zone contains class D amplifier delivering incredible listening power at 60 watts Features front door communications and local source audio in each zoneMultiple modes: party page all listen allAll sources controlled by universal remoteKeypads fit in standard 2-gang boxKit includes: 4 keypads front door station music center controller and universal remoteSpecial handling fees apply