inputs.text: works great mp3 player car - works great mp3 player carthe thing wrong turn car stereo volume fairly high hear sounds like processor noise pretty low level probably not notice regular levels not music playing silence songs see updateit nice transmitter power supply one unit way convenient old transmitter recharge every day occasionally mislayupdate traced noise hearing not unit dash camerawhen camera not plugged car power no noise radio plugged power noisethis transmitter utterly noisefree