Power is good... On a side note, I have an Q 18 on a mmats dhcx2200.1 in 4.5 cuft sealed box in my gp. It gets low when needed! And NO I don't mean 149 at 31hz..... Lol but for a sealed box it DOES get low. Have let ppl hear it, ALL have guess ported box.... And it sounds good on everything I listen too so I'm happy!! :-). GL op!!