But the real key ingredient is a feature called Ambient EQ. As you listen to music, the AirPods Pro adjust the sound signal 200 times a second to optimize audio for your specific ear shape with the help of an internal-facing microphone. Now, in some ways, you’ve got to take the company’s word for this stuff. How is anyone really going to know if that analysis is happening? It’s not something you hear or can detect. But when you turn off noise cancellation, Ambient EQ also goes with it — and you can hear a difference. The
AirPods Prodo sound slightly slightly better with Ambient EQ enabled.