You can use mono audio, adjust left-right stereo balance, and—with supported headphones—amplify soft sounds and adjust certain frequencies to best suit your hearing needs.
Go to Settings > Accessibility > Audio & Visual > Headphone Accommodations, then turn on Headphone Accommodations.
Adjust any of the following:
Frequencies: Below Tune Audio For, choose an option to boost different frequencies.
Soft sounds: Drag the slider to set an amplification level for soft sounds.
Scroll down, then do any of the following:
Turn on Phone to apply the settings to phone calls.
Turn on Media to apply the settings to media playback like music, movies, and podcasts.
With some supported headphones, you can use Headphone Accommodations to personalize your headphone audio based on what sounds good to you. Tap Custom Audio Setup, then follow the onscreen instructions.
Tip: Quickly access Headphone Accommodations by tapping Accessibility features for hearing on iPad