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LG XBOOM 40W Speaker System and Subwoofer Combo Set Red/Black LG LK72 - Best Buy
CARME-112BPW15SPW | Powered PA System w/ 12" PA Speaker, 15" Subwoofer – Sound Town
Amazon.com: Pair of SoundXtreme 12 Inch 2000 Watt Car Audio Subwoofer with DVC Power - Total of 2 Subwoofers Combo of 4000 Watts Handling Power Frequency Response: 30 - 2.5kHz : Electronics
Car Subwoofer and Amp Combo: Kicker Subwoofer 12" inch 4-Ohm 750W, Kicker 12” Square Chrome Subwoofer Grille with LED lighting, Kicker 600 Watt Class D Amplifier, Kicker Amplifier Power Kit - Walmart.com