Harman Kardon HK3380 Component Stereo Receiver (Discontinued by Manufacturer) 80 Watts per channel, 20Hz ? 20kHz @ &lt;0.07% THD, both channels driven into 8 ohms 100 Watts per channel, 20Hz ? 20kHz @ &lt;0.2% THD, both channels driven into 4 ohms Frequency-Response at 1W - 10 Hz ? 110,000Hz 4 video inputs, including one on the front panel 30-preset AM/FM digitally-tuned radio tuner