DS18 ZXI12.4D High Excursion 12" Car Subwoofer. 2000 Watts 4-Ohm DVC, Quad StackedMagnets. Trinity Audio Solutions. - Trinity Audio Solutions. Trinity Audio. Designed to provide thumping power that shakes everyone's mirrors, theZXI12.4D is a newly designed subwoofer that could only be defined as a monster of a machine.
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