According to Apple, the company has released firmware update version 9A348 for AirPods Pro 2, AirPods Pro 3, AirPods 4, and AirPods Max 2, introducing a built-in Custom Equalizer (EQ) and a new Adaptive Audio slider alongside the iOS 27 rollout. The software update brings deeper audio controls directly to compatible hardware, though users cannot trigger the installation manually through a traditional button.
AirPods Firmware 9A348 and iOS 27 Integration
Apple released firmware update 9A348 to bring expanded software features from iOS 27 to existing wireless headphone models. According to Apple, the update is available for AirPods 4, AirPods Pro 2, AirPods Pro 3, and AirPods Max 2. The accompanying software rollout also includes iPadOS 27 and macOS Golden Gate, establishing a unified interface across Apple devices for managing personal listening profiles.
Pro Tip: According to Apple, you can check your current software version by navigating to Settings, selecting your AirPods, and tapping on Information.
Custom Equalizer and Adaptive Audio Controls
The 9A348 firmware introduces a long-awaited Custom EQ feature, allowing users to adjust low, mid, and high frequencies directly within the iOS settings menu. According to Apple, users can locate these tools by opening Settings, choosing their AirPods, and navigating to Audio and switching sound followed by Equalizer. The interface update also incorporates a new slider that lets users fluidly adjust the noise-transparency levels of Adaptive Audio.
Model Differences and Additional Firmware Versions
While the 9A348 build targets the core lineup of recent audio gear, Apple deployed a separate 9A350 firmware specifically for the newly introduced AirPods 5. According to Apple, the AirPods 5 feature up to 50 percent stronger active noise cancellation than previous generations and include stem-based volume controls for the first time. When paired with an iPhone supporting Apple Intelligence, the AirPods 5 also gain hands-free Siri AI integration and Live Translation tools. Meanwhile, the 9A348 firmware enables GymKit integration for AirPods Pro 3 users, allowing heart rate data to sync with compatible cardio equipment like treadmills, ellipticals, and stationary bikes.
How to Install the AirPods Firmware Update
Apple applies AirPods firmware updates completely automatically in the background, meaning there is no direct manual update button available in the settings menu. The installation process can take several hours. To facilitate the update, Apple advises users to place their AirPods inside the charging case, connect the case to a power source, and keep the hardware positioned near an iPhone or iPad connected to a Wi-Fi network.
Frequently Asked Questions
How do I install the AirPods 9A348 update?
According to Apple, the firmware installs automatically when you place your AirPods in their charging case, connect them to power, and keep them near an iOS or iPadOS device connected to Wi-Fi.
Which models support the new Custom EQ feature?
According to Apple, the Custom Equalizer is available on AirPods 4 and newer, AirPods Pro 2 and newer, and AirPods Max 2.
Can I manually force my AirPods to update?
No, Apple does not provide a manual installation button for AirPods firmware updates, requiring users to rely on the automated background installation process.
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