go with the sa-8 i did a 126 on music sealed @ 35 hz in my maxima on 600 watts pretty loud lil sub also did a 142 on music @ 37hz with 2 sealed with 800 to each sub with no probs in my wagon
looking for 1/0 gauge 250amp anl fuses and inline fuseholder and about 10-12 1/0 gauge ring terminals. the cheaper the better used new i dont care i just need them cheap