Speaker Booster is a free app that allows users to increase the volume of their phone speakers beyond the default limits. With this app, users can enjoy super loud audio, music, voice calls, videos, games, and more. The app works as an extreme volume booster and bass booster for headphones, making it a versatile audio enhancer. It also features a simple user interface with one-click audio booster and is compatible with all Bluetooth headphones and speakers.<br/><br/>The Ultimate Volume Booster - Speaker Boost & Sound Amplifier app offers a range of features to enhance the audio experience on Android smartphones and tablets. It is a lightweight volume amplifier app that can increase phone volume, audio, video, and game sound. The app also includes a bass booster and music sound amplifier for headphones, as well as a system volume amplifier for ringtone volume, notification volume, and alarm volume. Additionally, it has stereo surround audio effects that bring an immersive sound experience.<br/><br/>While using the app, it is important to note that playing audio at high volume for long hours may damage hearing or speakers. The developer advises users to boost the volume step by step to get the appropriate volume suitable for their needs. Overall, the Ultimate Volume Booster - Speaker Boost & Sound Amplifier app is a useful tool for anyone looking to enhance their audio experience on their Android device.