Amazon.com: BELVA BPKG212v2 1200W Dual 12" Car Subwoofer with Ported Enclosure, Monoblock Amplifier, Wiring Kit and Remote Bass Knob : Electronics
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Pioneer TS-WX1220AH - 12" - 3000w Max Power, Built-In 1200w Output Amplifier - Ported Active Enclosure Subwoofer - Creative Audio
BOSS Audio Systems CXX124DVC Chaos Exxtreme Series 12 Inch Car Audio Subwoofer - 1200 Watts Max, Dual 4 Ohm Voice Coil, For Truck, Boxes and Enclosures, Use With Amplifier