JBL Stadium 102SSI Stadium Series 10" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield
JBL Stadium 600 High-Performance Class D 1500 Watts Peak Power Car Audio Mono Amplifier Bundle with JBL Club 1024 10" 1000W Max Power Selectable Impedance Car Audio Subwoofer and Amplifier Wiring Kit -