Massive Audio SUMMO64S 6 Shallow Mount Subwoofer | 400W, Dual 4 Ohm, Ultra-Slim Car Sub, High-Impact Bass, Heavy-Duty Design for Tight Spaces. Model Number: SUMMO64S. 400W / DUAL 4 OHM | Efficient power handling with Dual 4 Ohm voice coils for flexible wiring, improved performance, and optimized amplifier matching.
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