The Audiovox FMM100A FM modulator is a complete modulation system that allows you to add an external audio source with RCA outputs to you factory radio through the FM antenna. Can be used on either 89.1MHz or 88.7MHz FM frequencies giving you interference-free FM reception of your external audio device. Automatically disconnects vehicle's antenna whenever the FM modulator is in use, providing additional interference-free fidelity. Not just another FM modulator, this unit provides quality sound and performance at an affordable price. Comes complete with all necessary adapters and patch cables for either stereo or monoral source inputs.
NOTE: If you are installing into a 1988 thru current GM vehicle, you will also need the 40-GM10 and 40-GM21 antenna adapters to adapt the FM modulator's "standard" antenna connectors to the GM style antenna connectors (see below for ordering info).
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