JBL Stadium 600 Class-D 600W RMS Mono Subwoofer Amplifier

JBL Stadium 600 Mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms

Hifonics ZD-2550.1D 2550 Watt Mono Amplifier 1 Ohm Car Audio Class-D Amp

JBL Stadium 600 Class-D 600W RMS Mono Subwoofer Amplifier

JBL Club A600 600W Mono Car Amplifier + Amp Kit