Amazon.com: Audiopipe APSB-1299PP Dual 12 Inch Car Audio Subwoofer Speakers and Sealed Enclosure, 2 Channel 500 Watt Amplifier, and Wire Installation Kit : Electronics
Budget Banger Bass Package! (2 subs and 1 amp) - Audio APEX store
Pioneer Car Subwoofer Bundles - Pioneer Bass Packages
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Amazon.com: Skar Audio Dual 12" Complete 5, 000 Watt Subwoofer Bass Package - Includes Subwoofers in Ported Box with Amplifier : Electronics
Rockford Fosgate 1200-Watt Bass Package Includes R1200-1D amplifier, two P2D2-12 12" subwoofers, and Sound Ordnance B122-125S sealed enclosure at Crutchfield