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JBL BassPro 12 | 12" (300mm) Car Audio Powered Subwoofer System with Slipstream Port Technology
JBL PRX912 12-inch Powered Loudspeaker and PRX915XLF 15-inch Powered Subwoofer PA Bundle | Sweetwater
JBL SUB BassPRO12 450 Watts Amplified 12" Ported Subwoofer Sub Box Built In Amp 50036368308 | eBay
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Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
JBL GT-BASSPRO12 - Superior 12 Inch Ported Powered Car Subwoofer - Amplified sub boxes - Online Car Audio & Stereo Store
GT5-12 - JBL 12" 275W RMS SVC Subwoofer
JBL Stage 1220B 1000W Dual 12" Subwoofer Enclosure | Best Jeep Wrangler JK 4 Door Subwoofer Box
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JBL STADIUM122SSI 12” High Performance 1350 Watts Peak Power Selectable Impedance Car Audio Subwoofer Bundle Combo with Class D 1500 Watts Peak Power Car Audio Mono Amplifier and Amp Wiring Kit - Road Entertainment
JBL STAGE1200D Dual 12" Ported Enclosure with JBL Club-A6001A 600 Watt Amplifier and Stinger Wiring Kit - Walmart.com