Speaker Booster is a powerful subscription-based extension for Firefox that significantly enhances audio playback across various tabs. This multimedia tool is designed to elevate the volume of videos, music, and other audio content in your browser by over 600%, making it especially useful for users who frequently engage with online media. The extension allows for individual volume adjustments on each tab, providing users with precise control over their listening experience.

The interface features a simple and stylish popup window that displays a list of open tabs along with their respective volume controls. It automatically reverts to standard mode when not in use, ensuring a seamless experience. Speaker Booster is compatible with a wide range of popular websites and remembers previous sound settings, making it easy to enjoy your favorite content without constant adjustments.