Onkyo TX-SR800 THX Select 7.1-Channel Digital Home Theater Receiver (Discontinued by Manufacturer) THX Surround EX & THX Certified Select Exclusive WRAT ( Wide Range Amplifier Technology ) Linear PCM 192kHz / 24-bit D/A converters 100W power per channel (8 ohms, 20Hz - 20kHz) Reduced Negative Feedback design