NILES ZR-4630 MultiZone Receiver Perfection is always a pleasure to behold. This 12 Channel receiver achieves a perfect blend of simplicity, automation and performance. The ZR-4630 distributes its built-in AM/FM Tuner and up to three additional sources to six Stereo listening zones 12 channels x 30W / channel Combines with Optional keypads, IR Sensors and handheld remotes to delivery complete control of your home entertainment system All IR codes are programmed and stored in the ZR-4630 Opens vast new opportunities for distributed Sound applications Single touch on the optional IntelliPad Ci Solo Keypad or Source Button on the R-4 remote initiates a Macro sequence of up to 64 IR commands & delays Paging Input for system wide voice announcements Sync inputs sense whether source components are On or Off Up to 3 ZR-4630s can be combined to provide up to 18 zones of listening pleasure! Superior fit and finish Dimensions: 5-1/2"H x 17"W x 15"D; weighs 28 pounds Finish: Black