Filter your results Car Audio Categories All Car Audio Car Stereos Speakers Amplifiers 1 Channel/Monoblock Amplifiers 2 Channel Amplifiers 4 Channel Amplifiers 5 Channel Amplifiers Subwoofers Installation Accessories Car Audio Specials Band Expanders Reversing Cameras Car Audio Brands Kenwood Kicker Pioneer Rockford Fosgate Car Audio Sizes 4 Channel 4 Channel 5 Channel 5 Channel Car AudioAmplifiers4 Channel Amplifiers Top Selling 4 Channel Amplifiers Gm-A6704 A Series 4 Channel Amp 8 reviews 8 reviews $299.99 $259.99 Or 10 payments from $26.00 DELIVERY NATIONWIDE OR CLICK AND COLLECT X302-4 Excelon Series 4 Channel Hi-Res Amplifier 1 reviews 1 reviews $319.99 $239.99 Or 10 payments from $24.00 DELIVERY NATIONWIDE OR CLICK AND COLLECT 4X90w 4 Channel Full Range Amplifier 0 reviews $466.99 Or 10 payments from $46.70 DELIVERY NATIONWIDE OR CLICK AND COLLECT Gm-D8704 D Series 4 Channel Amplifier 1 reviews 1 reviews $499.99 $379.99 Or 10 payments from $38.00 DELIVERY NATIONWIDE OR CLICK AND COLLECT All 4 Channel Amplifiers Sort - Sort - Highest price Lowest price A - Z Z - A R2-300X4 Prime Series 4 Channel Amp 0 reviews $459.99 $389.99 Or 10 payments from $39.00 DELIVERY NATIONWIDE OR CLICK AND COLLECT 180W Key Smart Amplifier 0 reviews $496.99 Or 10 payments from $49.70 DELIVERY NATIONWIDE OR CLICK AND COLLECT R2-500X4 Prime Series 4 Channel Amplifier 0 reviews $559.99 $499.99 Or 10 payments from $50.00 DELIVERY NATIONWIDE OR CLICK AND COLLECT Kx Series Full Range Class D Amplifier 0 reviews $1140.99 $899.99 Or 10 payments from $90.00 DELIVERY NATIONWIDE OR CLICK AND COLLECT T400x4ad Power Series Micro 4 Channel Amp 0 reviews $799.99 Or 10 payments from $80.00 DELIVERY NATIONWIDE OR CLICK AND COLLECT