Onkyo TX-SR309 5.1 Channel Home Theater Receiver (Discontinued by Manufacturer) 65 Watts per Channel at 8 Ohms, 20 Hz20 kHz, 0.7%, 2 Channels Driven, FTC; 90 Watts per Channel at 6 Ohms, 1 kHz, 0.9%, 2 Channels Driven, FTC 3 HDMI Inputs and 1 Output, HDMI Support for 3D, Audio Return Channel, Deep Color, x.v.Color, LipSync, Dolby TrueHD, DTS-HD Master Audio, DVD-Audio Direct Digital Connection of iPod/iPhone via Front-Panel USB Port Advanced Music Optimizer for Compressed Digital Music Files Mass Storage Class USB Memory Playback Capability