Q Acoustics Q B12 Subwoofer Carbon Black - Featuring Infinite Baffle Enclosure, 12" Driver, 220 Watt Class D Amplifier, 1.97" Voice Coil - Active Subwoofer for Home Theater Sound System
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Q Acoustics 3070 Active Subwoofer (Graphite)
Cyber Acoustics 2.1 Speaker Sound System with Subwoofer for PC, Stereo, Tablet, Smartphone and Gaming Systems -
Amazon.com: 5 CORE 12" inch Full Range Subwoofer Car Audio Dual Cone Speakers Give High Powered Sound Quality, 23 oz Heavy Bass Replacement Premium DJ Subs RMS 75W Peak 1200W, 8 Ohms
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