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Apple’s firmware 9A348 introduces Custom EQ for AirPods 4 and later, AirPods Pro 2 and later, and AirPods Max 2. But owners of older models still have another way to adjust their sound through Headphone Accommodations.

The two features serve different purposes and have different compatibility requirements. Custom EQ offers direct control over bass, midrange, and treble, while Headphone Accommodations helps users adjust audio for their hearing needs.

Knowing which feature your AirPods support can save time searching for settings that aren’t available on your model.

Which AirPods support Custom EQ?

According to Apple’s firmware release notes , version 9A348 adds a three-band equalizer for adjusting low, mid, and high frequencies.

The feature supports:

AirPods 4 and later: Including AirPods 4 with Active Noise…