Onkyo HT-S3300 5.1-Channel Home Theater Receiver and Speaker Package (Black) (Discontinued by Manufacturer) Music Optimizer for Compressed Digital Music Files 4 DSP Modes for Gaming: Rock, Sports, Action, and RPG (Role Playing Game) HDMI Version 1.4 to Support 3D Video Formats, Audio Return Channel, Deep Color , x.v.Color , LipSync, Dolby TrueHD 660 Watts into 5.1 Channels DTS-HD Master Audio , DVD-Audio, Super Audio CD, Multichannel PCM and CEC 660 Watts into 5.1 Channels HDMI Version 1.4 to Support 3D Video Formats, Audio Return Channel, Deep Color , x.v.Color , LipSync, Dolby TrueHD DTS-HD Master Audio , DVD-Audio, Super Audio CD, Multichannel PCM and CEC 4 DSP Modes for Gaming: Rock, Sports, Action, and RPG (Role Playing Game) Music Optimizer for Compressed Digital Music Files Audio and 1080p Video Processing via HDMI (3 Inputs and 1 Output)