JBL GX-A646SI 4 Channel Car Amplifier Maximum Output Power 1000W
JBL GX-A604 4-channel car amplifier — 60 watts RMS x 4 at Crutchfield
JBL GTO1004 Full-Range Car Amplifier - 4-Channel, 600 Watts, Variable Electronic Crossover, Bass Boost at TigerDirect.com
JBL Multichannel Marine Amplifier White/Black MA704 - Best Buy
GX-A602 | Powerful & Compact 280-watt Car Amplifier
JBL Stadium 600 High-Performance Class D 1500W Peak Car Audio Mono Amplifier | eBay
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 -