The receiver is rated at 150 watts into 8 ohms with two channels driven. See our Test Bench for five- and seven-channel measurements.
Only the two channel test is shown...
Test Bench: Audio This graph shows the AVR-X7200W’s left channel, from CD input to speaker output with two channels driving 8-ohm loads.
Read more at http://www.soundandvision.com/content/denon-avr-x7200w-av-receiver-test-...