ZXI6.4D 6.5" High Excursion Car Audio Subwoofer 600W Watts Dual Voice Coil 4-Ohm 4 Magnets (1 Speaker). Item model number ZXI6.4D. Style ZXI6.4D. VERSATILITY ACROSS FREQUENCIES - The ZXI6.4D is not just about dominating the lows.
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