4 Channel

Wet Sounds Sinister SDX4 4-Channel Amplifier & Stinger 3-Meter 4-Gauge Amplifier Wiring Kit w/ RCAs

ARC Audio MOTO 720 4-Channel Amplifier Hi-Output Powersports Amplifier

Wet Sounds HTM-4 - HTM Series Amplifier 600 Watt Full-Range Class-D 85x4 Watts RMS @4 OHM

Cicada Audio FLX1000.4 - 4 Channel x 225 Watts @ 2 Ohm Amplifier

Cicada Audio FLX1400.4P - DSP 4 x 350 @ 2 Ohm

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Memphis Audio MX400.4 Powersports 400 Watts 4-Channel Amplifier

Kicker 48KXMA8004 KXMA800.4 4x200w 4-Ch Full-Range Class-D Marine Amplifier

MTX Audio MUD100.4 Thunder Sports 100W x 4 @ 2Ω Full Range Class D Marine Grade Amplifier

Wet Sounds SYN-DX 4 Full Range Class D Amplifier

Infinity MARINEM3004A High Performance 4 Channel Marine Amplifiers

Memphis Audio SE1200.4V2 Street Edge 85W, 4 Channel @ 2 ohm Amplifier

Rockford Fosgate PM600X4 4 Channel Marine Amplifier - 75x4 @ 4-Ohm, 150x4 @ 2-Ohm, 300x2 @ 4-Ohm Bridged