VDP has chosen the right one for your Jeep.
Vertically Driven Products 1000 Watt Amplifier - 795800 Not Just Loud. Universal 4 channels;Adds power and improves the sound;Can be used by itself or with a subwoofer;California Residents: WARNING Loud and Clear! You can use it separately or mount it to the Subwoofer and create a sound platform to work in conjunction with other VDP Speaker Systems and create the ultimate Jeep Sound System.There is no question an amp can improve the sound quality in just about any system.