Marantz AMP 20 Power Amplifier Serving as the perfect match for the AV 20 preamp/processor, Marantz’s new AMP 20 is a 12-channel power amplifier designed to deliver clean, robust power—up to 200 watts ...

No, it's just 2-channel (L/R) stereo. And while I can find 5.1 and 7.1 and 7.2 receivers all cheaply, an A/B 2-channel stereo receiver is approaching the cost of the 12-channel amp I posted.