The Marantz AV8801 11.2 channel A/V pre-amp/processor is packed with the latest audio and video technologies, all designed to provide you with the ultimate music and movie surround sound experience.Equipped with our advanced multi-DSP audio processor, the AV8801 features a broad range of surround sound decoding modes, including support for high resolution audio formats including Dolby TrueHD and DTS HD Master Audio. For the ultimate surround sound experience, the AV8801 also features expanded multi-channel decoding, including Audyssey DSX and DTS Neo:X, giving you the ability to add additional front height and width channels for a truly expansive and immersive surround sound experience. The AV8801 further enhances audio quality by delicately handling all signals via the Marantz-own HDAMs in Current Feedback topology before being passed to the XLR outputs and separate power amp.Designed for the ultimate music and movie surround sound experience, the Marantz MM8077 7-channel power amplifier delivers power and detail, and is rated at 150 watts per channel into 8 ohms, and 180 watts per channel into 6 ohms.The power supply features a high current toroidal power transformer along with high power (71WVDC) filter capacitors with a total 100,000µF capacitance to easily handle sharp short-term transient peaks.The Marantz UD7007 Universal Disc Player with Networking is an all-in-one, comprehensive solution for all of your disc media. Compatible with nearly every video and audio disc format, this player ensures superb sound performance with its advanced circuitry and high-grade build quality. It can even stream audio and video content from a variety of online services, thanks to its Ethernet connectivity