Thx BlackG35inTN, I think that's what I was looking for. The only thing is that is says it's rated for 400w RMS.
My sub amp is rated at 500 x 1 RMS and
My 4 channel is rated at 50w x 4 RMS.
Guess I'll have to find a stronger one. Either that, or I'm misunderstanding what the 400w rating is...