Amazon.com: JBL Club WS1200 12" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics
JBL 1400 watts subwoofer in vented enclosure. - YouTube
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JBL Subwoofer 1400 Watts in Slow Motion on song Bass I Love u - YouTube
JBL GTO1214D 12" Grand Touring Series 1400W Subwoofer