Enjoy ultimate surround sound with the Denon AVR-1909 AV Receiver equipped with the high-resolution sound format decoding capabilities, including Dolby TrueHD, Dolby Digital Plus, Dolby Pro Logic IIx, and more. The Denon AVR-1909 Receiver features Audyssey’s Dynamic Volume, a volume-leveling system, which automatically eliminates jarring volume jumps between TV shows and commercials. Equipped with three HDMI inputs and one HDMI output, all boasting v1.3a specification and up to 1080p resolution, the Denon AVR-1909 Receiver enhances video switching and up-conversion capability. The Denon AVR-1909 Home Theater Receiver measures 17.1 x 6.75 x 16.55 inches (W x H x D) and weighs 27.75 lbs