Volume Booster

Make music, videos, games, and podcasts easier to hear with KingBrain Volume Booster. Raise media volume with a simple dial, choose a sound preset, or fine-tune your listening with equalizer, bass, and surround controls.
QUICK, FLEXIBLE SOUND CONTROL
• One-tap booster with adjustable boost level
• Presets for low, medium, high, outdoor, voice, bass, and safe listening
• Equalizer presets for music, movies, gaming, podcasts, and more
• Custom EQ bands, bass booster, and virtual surround
• Voice clarity and loudness normalization on supported devices
PERSONALIZED FOR HOW YOU LISTEN
• Save sound profiles for speakers, wired headphones, and Bluetooth devices
• Automatically load profiles when supported devices connect
• Create app profiles for quick manual switching
• Use a sleep timer with fade-out
• Enjoy four visualizer styles
CONTROL BOOST FROM ANYWHERE
• Persistent notification and lock-screen controls
• Home-screen widgets in multiple sizes
• Quick Settings tile for fast on/off access
• Emergency mute always within reach
BUILT WITH SAFER LISTENING IN MIND
KingBrain includes gradual boost, high-volume confirmation, maximum boost limits, ear-rest reminders, a child-safe volume lock, and speaker distortion warnings. Increase volume gradually and take regular breaks.
No root access is required. Feature availability and audio effect strength depend on your Android device, output device, and manufacturer. Some features require Android 9 or later. Bluetooth device names and the optional real spectrum visualizer may require permission. The app never records or stores audio.
The free version contains ads. Optional in-app purchases unlock an ad-free experience and additional features.