DESC: The FMC250 controls a Clarion C-Bus CD changer and plays back the sound via your FM car radio no matter which brand. The FMC250 hideaway unit connects between your FM radio antenna input and the car antenna. Simply tune your radio anywhere from 87.7 to 89.9 MHz (0.2 MHz step 12- point) and listen to superior Hi-Fi CD sound in full stereo from the connected Clarion C-BusCD changer