Ok. I play music (bass) when I don't fly and got a wireless transiever that uses the 2,4 GHz band (Line6 G30) and the frequency response is from 20 Hz all the way up.
I know purists say "it ain't cable" and that they can hear the difference but in my ear and for my audience there's no difference.
Dunno how far headset technology has come but the technology has been here for a long time.
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