JBL Club A600 - Mono amplifier (600w X 1) amplifier with Remote Level Control : Everything Else - Amazon.com
JBL CLUB-A6001A High performance mono subwoofer car amplifier - Creative Audio
JBL Club A600 - Mono amplifier (600w X 1) amplifier with Remote Level Control : Everything Else - Amazon.com
JBL Power Series BP-600.1 300W x 1 Mono Subwoofer Amp at Crutchfield
Amazon.com: JBL Stadium Class D / 600w X 1 w/Remote Level Control : Electronics
JBL Stadium 600 High-Performance Class D 1500 Watt Peak Power Car Audio Mono Amplifier, JBL Stage 82 8" 800 Watts Max Power 4 Ohm Car Audio Subwoofer with Amplifier Wiring Kit - Road Entertainment