5-channel powerful surround sound 115W per Channel (8 ohms, 1 kHz, 0.9 % THD, 1 ch driven) 80W per Channel (8 ohms, 20 Hz-20 kHz, 0.09 % THD, 2 ch driven) HD Audio format decoding: Dolby TrueHD and DTS-HD Master Audio; Dolby Digital Plus and DTS-HD High Resolution Audio Discrete amp configuration Burr-Brown 192 kHz/24-bit DACs for all channels Direct Mode for high quality sound reproduction Low jitter PLL circuitry helps optimize sound imaging 4K pass-through for super high resolution images HDMI with 3D and Audio Return Channel AirPlay Allows Streaming Music to AV receiver YPAO Sound Optimization for Automatic Speaker Setup USB Digital Connection for iPod, iPhone and iPad on the Front Panel