WET Series 500-Watt RMS Mono Block Class D Marine Amplifier | MTX - Serious About Sound®
Pyle Hydra Marine Amplifier - Upgraded Elite Series 400 Watt 4 Channel – Pyle USA
JL Audio XDM600/6 6-channel car/marine amplifier — 75 watts RMS x 6 at Crutchfield Canada
Fusion® Apollo™ Marine Amplifiers | Garmin
Amazon.com: Pyle 5.0 Farad Digital Power Capacitor - High-Performance Car Audio Accessory with Blue Digital Display, Voltage Readout, Over Voltage Protection, Mounting Hardware, DC 12-24V - PLCAPE50 : Electronics