Audio comp.

[pontiacguy20025]

Theres a car show coming up and they are having an audio sound off. My question is what is it??? I have been to car shows before but all i see is the meter screen measuring in bass or something. How do they conduct a sound off?? Do they turn the radio up to the max?? Or what do they do??


Thanks

[nineteen88ga]

They meter the sound presure level in the interior cabin of the vehicle.

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