it is real tight and it bangs hard

it has to be broke in

i like this a lot i power it with a 4000 watt power acustics amp and it is very load im runnig it at 1 ohm with 1800 watts the reason i got an am p this big is because im getting another kmx 15 inch kole

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15 inch powerbass 3 xl

Can't overdrive this unit with my 250 watt sub amp. Long excursion.

Needs a long break in, to get it's act together.

I know this unit is designed as a auot woofer, but I bought the speaker to replace the blown unit in my very expensive B&W subwoofer. The monster came in a wooden box, well packed, and it took some work to get into my living room and into the sub cabinet. At first listen I was not too impressed. I was not a great believer in break-in. I took about 3 months for this baby to shine. The bottom is not boomy, it's tight, deep and accurate. I used a signal generator to take it down to 20hz. No effort on this unit to reach down to 18hz. I have to give some credit to the build of the B&W sub cabinet, as it is a heavy and well braced downfiring subwoofer.. ASW4000..is the model number. I like this sub, will be buying one for my suburban and then write a review about how these babies behave in their proper surroundings.

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Kicker 15 inch, normal line.. unsure of model number. MB Quart. Original sub in the ASW4000, B&W sub package.