XL & Pro System Audio Demo
This demonstration was performed on a private road using A80 Series radio to transmit and recorded on a Sony MiniDiscTM plugged into the speaker output of a second A80 radio in a car.   
There was no filtering or post-recording alteration of the sound quality, whatsoever.

Commentary by:
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Mr Ian Hart (Former DSA Certified Supervisory Instructor, IAM Observer, Civilian Observer for Warwickshire Police BikeSafe, and Justice of the Peace)
Independently verified by:
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Mrs K. Keogh (DSA Certified Motorcycle Instructor and RoSPA Gold)
Vehicles:
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Honda Pan European ST1100
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Jeep Wrangler 4.0