Best 4-Channel Car Amplifiers

Taramps TS 400x4 400 watts RMS 4 Channels Full Range Car Audio Amplifier, 2 Bridged Channels, RCA Input Class D, Output Power, Multichannel Amplifier System, Small - TS400X4

Alpine S-A32F S-Series Class D 4-Channel Amplifier

Rockford Fosgate R2-500X4 Prime 500-Watt 4-Channel Amplifier

Alpine KTA-450 4-Channel Power Pack Amplifier with Dynamic Peak Power 45W RMS x 4, at 2 Or 4 Ohms

Rockford Fosgate P400X4 Punch 400-Watt 4-Channel Amplifier

Pioneer GM-DX874 1,200 Watts Class D Powerhouse Amplifier, 4-Channel Amp, Variable Low-Pass Filter, Compact Design, and Remote Bass Boost Control

KENWOOD KAC-M5014 4-Channel Compact Digital Amplifier (600W) for Car, Marine, UTV & Motorsport Vehicles, Solid Corrosion-Resistant Aluminum Chassis, IPX6, IPX7 & IP6X Certified and Vibration-Proof

BOSS Audio Systems PF1800 4 Channel Car Amplifier - 1800 Watts, Full Range, Class A-B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable

KENWOOD KAC-314-4-Channel Concert Series Car Stereo Amplifier with 50W x 4 @ 4ohms, 75W x 4 @ 2ohms, 600W Maximum Power

Blaupunkt 1500W 4-Channel, Full-Range Amplifier