Denon AVR-2309CI 7.1-Channel Home Theater Receiver (Discontinued by Manufacturer) 100 watts x 7 into 8 ohms (20-20,000 Hz) at 0.08% THD Dolby TrueHD, DTS-HD Master Audio, Dolby Digital Plus, DTS-HD High Resolution Audio, Dolby Digital EX, DTS-ES, Pro Logic IIx, and DTS Neo - 6 decoding Audyssey Laboratories' MultEQ six-point auto setup and room calibration system (microphone included) XM Satellite Radio Ready (subscription service may be required) SIRIUS satellite radio capable (subscription service may be required)