JBL GT-BASSPRO12 - Superior 12 Inch Ported Powered Car Subwoofer - Amplified sub boxes - Online Car Audio & Stereo Store
L10cs Classic Series Subwoofer | 10-inch (250mm) Down Firing Powered Subwoofer
JBL LSR310S 10-inch Powered Studio Subwoofer | Sweetwater
JBL ARENA 12
JBL BassPro 12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
Amazon.com: JBL Club WS1000 10" Shallow Mount subwoofer w/SSI (Selectable Smart Impedance) Switch from 2 to 4 ohm Bundled with Alphasonik Earbuds : Electronics
JBL LSR310S | 10" Powered Studio Subwoofer
JBL BassPro 12 | 12" (300mm) Car Audio Powered Subwoofer System with Slipstream Port Technology
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Amazon.com: JBL Club 1024 - 10” Subwoofer w/SSI (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
JBL IRX115S 15" Powered Subwoofer Black JBL-IRX115S-NA - Best Buy
JBL GTO804 Grand Touring Series 8" 4-ohm subwoofer at Crutchfield
JBL CS1214 1000-watt, 12" Car Audio Subwoofer, Black - Walmart.com