Kicker TRTP 12-inch Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm - 48TRTP122 The new CompRT Down-Firing Subwoofer Enclosures make surprisingly strong, smooth bass in a box under seven inches deep. Heat is the enemy of endurance. To make Kicker subs even more reliable, KICKER engineers developed Forced-Air Cooling to help Kicker CompRT subs run 20 percent cooler.Heat is the enemy of endurance. To make Kicker subs even more reliable, KICKER engineers developed Forced-Air Cooling to help Kicker CompRT subs run 20 percent cooler.
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