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I am looking for an in-helmet driver-to-passenger/instructor system. (As we practice social distancing!). I have read about track systems like Rosso/Zero Noise, Trac-com, Speedcom, Chatterbox, etc.... But I am inclined to try a bluetooth setup, rather than all of these wires. Any input on any particular brand? I can say that in my first (and last) DE event, the instructor tried to set up his own Bluetooth system, and it was an epic fail (actually never got it going). So, is that the lesson? They don't work? Or can anyone share any particular brands that they have had success with? I would plan to use a Motorcycle Bluetooth Intercom system plug in wired earbuds.
For instance, this one is top of the range... but still seems comparable costs to the other track systems.
...looks like the 10 is two series old... and the Sena 30k is the latest (though it is different because of a mesh technology that I am not sure applies for car intercom scenarios)... well, a lot to chose from.