That is true, but the speakers would probably need to be much louder than 80dB. The loudness required changes on a few factors, just I threw out one of the many ways that driving is awful for everyone around the car.

I probably should’ve re-linked the article I posted earlier in the branch, and thrown in a quote with one of the example findings:

This would require signal strength of greater than 289 dB just for the animal to hear the sound.