The rider uses a throat mic, that's why you can hear him perfectly even against the noise of the bike, even if using an open-face helmet.
Have a similar setup for my HAM rig, it's awesome -- you can near-whisper sitting next to an air hammer and still be heard clearly
Have a similar setup for my HAM rig, it's awesome -- you can near-whisper sitting next to an air hammer and still be heard clearly
