When you want to use the mp3-player in the car to play your music through the speakers of your carstereo, Soundracer is working as a FM-transmitter. It can also turn your small car into a very powerful car with a V8-engine. If your imagination is that sophisticated, it can also turn your little car into a big Harley Davidson mototcycle. It's all up to you. Soundracer is a gadget that gives you possibilities!
An example of my small Suzuki Vitara when I'm using Soundracers V8-engine.