Aux Cable Car Stereo Wire Audio Speaker Cord 3.5mm Jack Adapter Auxiliary [Black]. Get the best sound possible by using this High quality Audio Auxiliary Cable. 3.5mm jacks connect your player to your car stereo's Aux-In port. Listen to your tunes through your car stereo. A direct connection from your phone/tablet to your car stereo means cleaner, clearer sound. The cable AUX Audio Cable plugs into the standard 3.5mm AUX (auxiliary) port on your car stereo and the headphone jack on your device. Taking your tunes on the road has never sounded better. The Auxiliary Stereo Audio Cable is a handy, high-quality stereo cable that can connect your iPod or other music player to car stereos, boomboxes, and home entertainment systems. Comes in Bulk Packaging (Non-Retail Package).