I have installed 3 of these so far, 2 in one car, one in another, these are VERY heavy subwoofers, it required two people to move the double loaded box. The subs output is INSANE, in a 1992 Blazer Tahoe we did a 153 with ONE of them on a Soundstream 3400. If your considering buying this sub, GO FOR IT!! You will need at least one Soundstream 3400 to run this beast, if you don't plan on running 2 SS 3400s, don't blow your cash! If you don't want to upgrade your electrical, this isn't the sub for you! Overall, one of the best subwoofers ever made. the quality on these puts JL to SHAME. makes the W7 look like a chicken compared to a rhino.
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