Yamaha RX-V867BL 7.2-Channel Home Theater Receiver (Black) (Discontinued by Manufacturer) 7 channels and 665 watts of powerful surround sound (95w x 7) HD Audio format decoding: Dolby TrueHD and DTS-HD Master Audio; Dolby Digital Plus and DTS-HD High Resolution Audio Pure Direct design for HD audio and video enjoyment, with low-jitter PLL circuitry Assignable amplifiers for bi-amp connection Intelligent assignable amplifiers for Surround Back, Front Presence, or Zone 2