Only getting audio in one earbud? Here's how to fix this macOS bug.

Recently, after purchasing Pixel A-Series earbuds, I encountered a frustrating audio issue on my MacBook Air: sound only played through one earbud. Initially, I suspected a problem with the earbuds themselves, given past reports of connectivity issues with similar devices. However, the culprit wasn't the hardware; it was a persistent macOS bug.

This isn't a new problem; users have reported this audio imbalance glitch for years, across multiple macOS versions. While Apple continues to update its operating system, the bug keeps returning.

Diagnosing the macOS Audio Balance Bug

Before assuming it's a macOS issue, perform standard troubleshooting:

• Restart your computer.
• Check for and install firmware updates for your earbuds.
• Reconnect your earbuds.

If the problem persists, test your earbuds on another device (phone, tablet). If they work correctly elsewhere, the issue lies with your Mac. To confirm it's a macOS audio balance problem, try connecting different wireless headphones or speakers. If the one-sided audio continues, you've identified the bug.

The Simple (Temporary) Fix

The solution is surprisingly straightforward:

1. Open System Settings.
2. Go to Sound.
3. On the Output tab, locate the Balance slider.
4. Adjust the slider to the center position.

This often resolves the issue—at least temporarily. Many users report the bug reappearing later, requiring repeated adjustments.

The Permanent Solution: Balance Lock App

For a permanent fix, download the free "Balance Lock" app from the App Store. This app locks your macOS audio balance setting, preventing the bug from recurring.

While a permanent fix from Apple is hoped for, until then, Balance Lock provides a reliable solution to this frustrating macOS audio problem.

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