yea if i hav just 1 woofer it would be only 225rms/450 max but that is my small setup in a 2000 expedition. my daily driver is 2 MTX 8512 dual 4 with a MTX TA7801 and a power akoustik 2 farad with 2/0 power ground. not much but its sumthing. thx for the suggestions Noob and DUBIE