I currently have a Denon 2805 running a 7 speaker multi channel set up in my home theater. The L/C/R speakers have a rated sensitivity of 88, while the surrounds are rated at 87.5. The total system impedance is 8 ohms. The two fronts speakers are an MTM ported design with 6.5" woofers, and the center speaker is a ported design as well consisting of two 6.5" woofers, a single 5" midrange, and a 1" tweeter.

The Denon sounds very nice, but the problem that I am having with it is when I turn the volume up just past the moderate level, the receiver shuts down. This indicates to me that the 2805 lacks sufficient power to drive the multiple speakers for an extended period of time. My question is, will 3 M200 amps powering the L/C/R speakers with the Denon taking care of the 4 surround speakers take care of this problem? Or should I spend the extra money and get the 770 to power all the channels, and just use the 2805 as a pre/pro? I would rather go with the cheaper, 3 M200 amps, if that is feasable.