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 Cerwin Vega Kenwood Kicker Pioneer Rockford Fosgate Car Audio Sizes 4 Channel 4 Channel Rockford FosgateCar AudioAmplifiers4 Channel Amplifiers Top Selling Rockford Fosgate 4 Channel Amplifiers T400x4ad Power Series Micro 4 Channel Amp 0 reviews $799.99 Or 10 payments from $80.00 PROFESSIONALLY INSTALLED AT OUR PENROSE STORE R2-300X4 Prime Series 4 Channel Amp 0 reviews $459.99 $389.99 Or 10 payments from $39.00 PROFESSIONALLY INSTALLED AT OUR PENROSE STORE