inputs.text: sundown audio earned fan - sub part one many theoretical budget builds one eventually pulled trigger glad paired underrated alpine mrvm500 pushes 550wthis sub really moves air handles 30 hz range like champfor entry level priced sub not merely getting \\entry level\\ subs warned trying pair factory systehems find wanting upgrade every last speaker car balance subs full potentialafter 2 weeks stress testing abuse no signs wear apparent sub beast finally relented tuned better balance rest systehem younger would base opinion new subs compared alpines kenwoods little later kickers fosgates came picture make no mistake judging every entry level sub close comes beast sundown audioedit sub screams ported box would not really home sealedspecs provided sundown 38ohm fs 358 hz qes 056 qms 679 qts 052 le 185mh vas 476l bl 154na cms 013mmn mms 1566grams sens na 1w1m xmax 12mm oneway linear rms 400 watts