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
Amazon.com: JBL Club 1224 - 12” Subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm (Renewed) : Electronics
JBL BassPro 12 Ported powered subwoofer with 12" sub and 150-watt amp at Crutchfield
JBL 12" Inch 1000w Car Audio Subwoofer Driver Bass STAGE SPL Sub Woofer New | eBay
JBL 12in Subwoofer with 800 Watt AMP | eBay
JBL Club WS1200 | 12” Shallow Mount Subwoofer
GT5-12 | Quality 12 inch Single Voice Coil (SVC) Subwoofer
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 CS1214 1000-watt, 12" Car Audio Subwoofer, Black - Walmart.com