Yamaha HTR-5840 XM-Ready 6.1-Channel A/V Surround Receiver (Black) (Discontinued by Manufacturer) Full-featured 600-watt 6.1-channel (100 watts x 6) digital home theater receiver Built-in Dolby Digital EX, DTS-ES, DTS 96/24, DTS Neo:6, and Dolby Pro Logic IIx decoding Quad-Field Cinema digital signal processing with 14 surround programs; Silent Cinema mode XM satellite radio ready; requires Audiovox CNP-1000 digital antenna to receive XM signal 40 AM/FM presets; measures 17.12 x 6.33 x 16.38 inches (W x H x D); 2-year warranty