fantastic works like the day i bought it

none

i install and build boxes and i used this woofer for my oun truck

can hit the lowest tones ever recorded with out bottoming out "iv tryed it"

could use better setup on wireing prongs

This is a great sub at first people said "thats a walmart special it's not powerful enough to vibrate the class" well there wrong im only powering mine with a 250W amp in bridged mode and the sub has great deap bass a lot of people are shocked to hear the bass with such a cheap sub and a small amp great sub for some one not wanting to shack fillings out or for people that are on a budget

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lighning audio BOLT series

A surprisingly great performer for such a small price tag.

Doesn't have all the "audiophile" attractions (binding posts, big magnet, fancy nuke proof basket, etc.) and the outer woofer mounting rings could have been glued on better.

This Lightning Audio P3.12.4 woofer is a real surprise from a general performance standpoint. I was just looking for something that worked good. I was not expecting the smooth deep bass that this woofer delivers. I will admit that the P3.12.4 isn't quite like the $100+ woofers out there, but it still is a really serious performer. I would suggest using a sealed 2 cu.ft or slightly bigger box and filling it about half way or so with polyester fiber-fill dampening material (which is what I did) for the deepest bass instead of the 1.25 cu.ft box that they show in the included paperwork. Whether this will effect power handling or not, I'm not sure. Overall this is a great woofer for such a small price tag. That said, I do have some suggestions. 1) DO NOT use a ported box. The "Q" is much too high (as I found out by experimenting. 2) DO NOT use fiberglass as dampening material. It may ruin the driver (if it doesn't start itching on your skin first). 3) Experiment with the polyester as to how much to use for your best results.

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Polk Audio GNX 124, Bazooka CSW1204