Amazon.com: JBL Club WS1000 - 10” shallow mount subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm : Electronics
JBL Stadium 600 High-Performance Class D 1500 Watts Peak Power Car Audio Mono Amplifier Bundle with 10" 1350W Max Power Selectable Impedance High-Performance Car Audio Subwoofer and Amp Wiring Kit - Road