I just have this device installed in the TL. It works awesome so I thought I would share. Paired it with the Galaxy S3 running PowerAmp (auto play when bluetooth is connected)
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Yah, there are a number of devices that work like this- basically take bluetooth into a headphone out. Does this one automatically pair when you get in range? how is it powered?

Current favorite seems to be the blackberry version (music gateway?) It auto pairs and power from the outlet in the console.