A rare look inside Apple’s AirPods testing and refinement labs

Apple runs literally thousands of tests while validating, tuning, and refining AirPods in a facility which includes mini recording studios with real instruments.

One tech writer got a rare tour of the facility, which is even home to a large vintage hi-fi setup donated to an earlier generation of Apple audio engineers by Steve Jobs …

It doesn’t sound like the deck and speakers see any use these days, but Engadget’s Billy Steele says that it still serves as a source of…