Well, I don't know if this really qualifies as an "installation" or not... I had a metal box made up with a "foot" on the bottom bent at about a 30-degree angle so I could bolt it to the storage cubby of my center console. (Cost me $12). There is an auxiliary input jack located about four inches away to connect iPhones, ipods, empegs, etc. I salvaged a power cord from a dead router power supply, tied it in to the cigarette lighter circuit and ran it under the carpet to the empeg. Nothing fancy, but it works.

tanstaafl.