DESC: The powerful seven channel amplifier section features 115 watts of power per channel, and provides the choice of driving a 5.1 channel system in the main room including Dolby TrueHD, Dolby Digital Plus, DTS-HD Master Audio, along with a full suite of surround decoding functions, with another stereo speaker pair in another room with independent source selection.The AVR-2809CI is one of the first to feature Odyssey Dynamic Volume, which automatically eliminates irritating jumps in volume between TV shows and commercials, as well as Odyssey Dynamic EQ to ensure rich bass and smooth tonal balance, even at low volume levels. For optimum audio fidelity, the Odyssey MultEQ in-room acoustic correction system measures the overall room response at up to eight measurement points and tailors the sound for the most natural tonal balance everywhere in the listening space.