40x4 RMS, thats about all you need, especially when you have eclipse speakers with a sensitivity rating of 97 dB.

Nothing, its great. It's a lot better than all of my friends receiver amps.

At first I was a little shakey about buying a sony amp, but as it turns out, I love it now. Its plays my speakers (6 1/2's & 5x7's) great! I highly recommend this amp if your looking for something that will play loud and will not be drown out by your subs (if you have any), this is great!

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First amp for speakers.