Product details:

To get a knockout in boxing, it takes training, conditioning, practice, and timing. To get a TKO with Massive Audio, all you have to do is Get In, Buckle Up, and Turn It Up The TKO12-S4 12 in. TKO Series subwoofer delivers a knockout leaving the competition cold. TKO Subs are CEA 2031 compliant with steel baskets, foam surrounds with red stitching for added strength, and poly cotton spiders with woven round tinsel leads that are all surrounded by powerful Y30 strontium ferrite magnets No need to count to 10. By unanimous decision, the TKO Series is the winner, with bass on a budget that knocks out all contenders.