JBL BASSPRO 8" Single-Voice-Coil Loaded Subwoofer Enclosure with Integrated Amp Black SUBBPSL2AM - Best Buy
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Amazon.com: Infinity Primus 1200 12" Inch 1200W Max Power Car Audio Subwoofer High Performance 4 Ohm : Electronics
Pioneer 12" 1400 W Max Power, Single 4-ohm Voice Coil, IMPP™ cone, Rubber Surround Component Subwoofer BLUE TS-A123R - Best Buy
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Discontinued Obsolete SKU | MTX Audio - Serious About Sound®
KICKER CompC Loaded Enclosures Single-Voice-Coil 4-Ohm Subwoofer Black Carpet 44TCWC104 - Best Buy
BOSS Audio Systems BASS8K 8 Inch Powered Car Subwoofer and Amplifier Wiring Kit Package - 800 Watts Max Power, Under Seat, Low Profile, 8 Gauge Wiring Kit, For Truck Boxes and Enclosures
Car Stereo Express|Custom Fabrications and Subwoofer Boxes
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BOSS Audio Systems P80DVC Phantom Series 8 Inch Car Audio Subwoofer - 100 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck, Boxes and Enclosures, Use With Amplifier
Pyramid BNPS102 10 1000W Dual Car Audio Subwoofers w/Bandpass Box and Neon, 1 Piece - Kroger