Amazon.com: BOSS Audio Systems MC900B Amplifier for ATV UTV Car Marine - 500 High Output, 4 Channel, 2/4 Ohm, Bluetooth Multi-Function Remote, RCA Out, Weatherproof, Use Amp with Stereo and Subwoofer, Crossover : Electronics
Amazon.com: Rockville Rxd-m0 1200 Watt/600W RMS Mono Class D 1 Ohm Amplifier Car Audio Amp : Electronics
Planet Audio AC600.2 2 Channel Car Amplifier - 600 High Output, Full Range, Class A/B, 2 - 4 Ohm Stable, Mosfet Power Supply, Bridgeable
Pyle 6-Channel Audio Marine Amplifier - Compact Power 600 Watt RMS 4 OHM Full Range Stereo with Volume Bass Treble Rotary Control - Wireless Bluetooth Receiver Speaker & LCD Digital Screen PFMRA640BB
Amazon.com: Kicker CXA600.1 600-Watt Mono Class D Subwoofer Amplifier : Electronics
Amazon.com: Kicker CXA600.1 600-Watt Mono Class D Subwoofer Amplifier : Electronics