I'm going to give my standard boilerplate answer to this one again:
Removable faceplates don't deter theft. I had a removable-faceplate CD player stolen. The thieves just take it and order a $50.00 faceplate from the manufacturer.
The only way to prevent theft is to
not leave anything to steal. That's what's great about pullout units like the empeg.
I have also got a cover plate (original Honda part) to cover the hole where the sled is. When I take the unit out and cover the hole, it looks like the car doesn't even have a stereo installed at all. Nothing to steal, not a target, no problems.
If you purchase the Empeg carrying case, bringing the unit with you isn't as much trouble as you'd think. I have brought it almost everywhere, and it's not a problem. For the few times where it would be troublesome to carry it, I simply don't bring it with me at all. This is pretty rarely.
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Tony Fabris