PYRAMID 12in 500W High Performance 8 Ohm Subwoofer. Pyle 6.5in Single Voice Coil 150W 4-Ohm Car Audio Powered Subwoofer - Black. Pyle 12" 6400W 4-Ohm DVC Car Stereo Power Audio Subwoofer Set, 4pk | PLPW12D.
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