The Infinity Gold Package came with somewhat poor power handling speakers. They are basically Chrysler speakers. You will have to probably purchase 4, six and a half inch speakers that will handle around 50 watts RMS each, one for each door. You will also need a Jeep wiring harness, and a "DIN an a half" stereo fit-kit. I just did mine and its great, but it cost about a thousand dollars CDN.
Rick, April 2008