I have 2 polk EX10's 150 rms a pice in a orion cobalt bandpass box. And they are much louder than my 2 15"B-52's 600rms a pice in two sealed boxes. The 10's move much more air. I did'ent belive it when I hooked up the 10's that i got for 20 bucks. And then got the box for 20 bucks. Great buy!!
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