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 CLUB 1224 1100 Watts 12" Selectable Impedance 2 or 4 Ohm Car Audio Subwoofer 50036345309 | eBay
JBL PartyBox 1000 1100W Wireless Speaker — Rock and Soul DJ Equipment and Records
JBL Stadium 600 High-Performance Class D 1500 Watt Peak Power Car Audio Mono Amplifier Bundle with 2x JBL Club 1224 12" 1100 Watts Peak Car Audio Subwoofer with Selectable Smart Impedance - Road Entertainment
Amazon.com: JBL S2-1224 SSI Car Subwoofer : Electronics
JBL SRX918S 18" 1100 Watt Active Powered Subwoofer Class D Sub w/ DSP+Soft Cover - Walmart.com
JBL SRX918S 18" 1100 Watt Powered Subwoofer Class D Sub w/ DSP+Amp Rain Cover | Reverb