"the new AirTag is 50 percent louder than the previous generation, enabling users to hear their AirTag from up to 2x farther than before"
Can that really be true?
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If you’re 2x farther away, the intensity of the sound with be 1/4, because of the inverse square law, so logically your speaker would need to be 300% louder.
And, technically, if you are 2x farther away, you are 3x as far away, so the intensity would be 1/9.