7.1 Speakers - 7.1 Channels, 7.1 Speakers - Dolby Pro Logic, DTS, Surround Sound, Dolby Pro Logic II - Surround System Speaker - Dolby Pro Logic, DTS, Surround Sound, Dolby Pro Logic II - Player(s): A/V Receiver - Input/Output: HDMI - Theater DSP Soundfield

For thrilling surround sound, the AVR-890 features the latest high resolution audio decoders, including Dolby TrueHD and DTS-HD Master Audio, and is among the first to incorporate Dolby Pro Logic IIz, which provides a dramatic expansion of the front soundstage by deriving additional front channel height effects. To ensure top audio fidelity, the AVR-890 features Audyssey MultEQ room acoustic measurement and correction which analyzes speaker system characteristics at up to six measurement points