j&m mix-it2 mp3 cb music

I have a J&M radio thats used for music, passenger to passenger comm. and bike to bike if they have cb radio. Anybody using a Mix-it2 amp in-conjuction with a escort 8500 radar detector. I have a J&M radio that I plan on tying the mix-it2 output into the J&M radio 3.5mm stereo input. What I'm...