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@sb-woo – Sorry, I forgot to hit send on the response I had to you earlier. The difference is the IMD and THD+N, which is WAY improved.
Here are the links to the ones at parts-express you were looking at:
https://www.parts-express.com/ICEpower-200AC-Class-D-Audio-Amplifier-Module-1-x-200W-326-210
So, for two channels, you would literally have to pay $200. For the 400A2, you would be paying $100, then the $130 for the power supply. So, then comes the question on whether or not the $30 is worth it for a higher wattage and for lower distortion. I cannot answer that question for you. Here is the charts for distortion from those two links.
Icepower 200ASC
Icepower 200AC
Icepower 400A2
Compare them for yourself.
Reply To: RE: Interest in a group buy for IcePower 400A2 units
