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DD AUDIO 1506-D4 6.5" SUB WOOFER 2400W DUAL 4-OHM CAR SUBWOOFER BASS SPEAKER NEW | eBay
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SDR-18 | 18" 1,200 Watt Max Power Car Subwoofer | Skar Audio
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Amazon.com: H YANKA 15 Inch Subwoofer - 15 Inch Paper Cone Subwoofer Car Audio, Black Aluminum Basket, Dual Voice Coil 2 Ohm Impedance 15 subwoofer, 2400W MAX Power 15 inch Competition Subwoofer : Electronics
Subwoofers Range From $100 to $50,000. Here's What You Get When You Spend More. | Wirecutter
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Pioneer 10" Active Sealed subwoofer w/built-in amplifier Black TS-WX1010A - Best Buy
Amazon.com: JBL 12" Dual 4ohm DVC Car Subwoofer : Electronics
Power Acoustik Low Profile 8" Car Subwoofer Enclosure with 600W Class D Amplifier & LED Lighting - Walmart.com