Onkyo TX-SR575 7.1 Channel Home Theater Receiver (Black) 80 Watts per Channel Minimum into 8 Ohms, 20 Hz-20 kHz, 0.08%, FTC (2 Channels Driven); 100 Watts per Channel Minimum into 6 Ohms, 1 kHz, 0.1%, FTC (2 Channels Driven) DTS-ES Discrete/Matrix, DTS Neo:6, DTS 96/24, Dolby Digital EX, Dolby Pro Logic IIx 2 HDMI Inputs and 1 Output (1080p Pass-Thru to HD-Ready Displays) Audyssey 2EQ to Correct Room Acoustic Problems and to Calibrate Speakers