JL Audio RD500/1 Mono subwoofer amplifier — 500 watts RMS x 1 at 2 ohms at Crutchfield
Mastering tip: What are RMS & peak levels?
Amazon.com: Diamond Audio MICRO2V2 Micro 2-Channel Full Range Class D Car Amplifier, 150W RMS x 2 @ 4 ohms / 250W RMS x 2 @ 2 ohms / 500W RMS x 1 @ 4 ohms Bridged Amp : Electronics