JBL Stadium 1000 Mono subwoofer amplifier — 1,000 watts RMS x 1 at 2 ohms at Crutchfield
JBL STADIUM122SSI 12” High Performance 1350 Watts Peak Power Selectable Impedance Car Audio Subwoofer Bundle Combo with Class D 1500 Watts Peak Power Car Audio Mono Amplifier and Amp Wiring Kit - Road Entertainment
HARMAN Luxury Audio Releases JBL Synthesis SDA-1700 Class D Subwoofer Amplifier - HomeTheaterHifi.com