The best way to input aux audio from your MP3 iPod iPhone into your Oem Acura radio will be using an auxiliary audio input adapter, If you own an iPod iPhone use this Acura iPod interface, theAuxiliary input is a direct audio connection to your Oem Acura radio, this are not FM transmitters or FM modulator, there is nothing wireless about them, that means the signal isn't getting degraded by the process of sending it to your factory Acura stereo. The good thing about an auxiliary connection is that it is a direct connection of the signal from your MP3 portable Sirius radio smart phone iPod iPhone to the Oem Acura car stereo this way you will get close to CD quality audio. These aux audio converters are not universal they are made for Acura radios, they are design to convert the CD changer port or the factory satellite port of the Acura radio into Auxiliary audio input. By adding an aux input adapter to you factory radio, the CD AUX SAT XM buttons will activate the auxiliary interface, maintains full function off all Acura factory build-in steering wheel and rear seat controls DVD and XM radio. If you need help finding the correct auxiliary interface for your Acura vehicle. cl rl tl mdx rsx tsx tl E-mailus or 888-2310395
