Use this cable with a P bus pioneer stereo that has the A/UX audio input feature plug this cable in behind the stereo and referred to the section in the instruction manual on selecting the audio input a great peas for playing music from your phone into your stereo. Sorry about the run-on sentence. Please give us a call for all your pioneer Kenwood JVC alpine scar Memphis audio box and many other lines we have the best prices in the nation. We want to beat your best deal: