I believe that the all the audio components are contained in the ICC module in the dash, with the exception of the sub woofer amp (If you get Premium Sound), which is installed in the boot on the LH side. Try these links, they may have the answers you want Sound System, What to get? Standard To Premium Sound Upgrade Possible? Ba Sound System Upgrade Premium Sound - How Good Is It Aftermarket Audio, design of the console Premium Audio Question There are others I'm sure. Try a search if you want more info.