Lesser AudioSwitch

Lesser AudioSwitch is a practical application that offers Android users the ability to change the audio output to change between headphones, speakers or any other output, including USB and Bluetooth. At the same time, you can also change the microphone or mute the speakers entirely on the majority of devices.

Another feature of this app is the automatic change, it detects the moment you insert or remove headphones, thereby switching to any other audio output or muting it, as well as being able to automatically turn on the speaker. The restore-on-boot feature lets you choose the output automatically when you restart your device.

There are many useful features of Lesser AudioSwitch, it doesn't just help your device detect headphones, but also mutes the speaker when using headphones (meaning that loud notifications aren't played through the speaker).

All round, Lesser AudioSwitch is a great tool that helps you change the audio output to the output you desire, simply and intuitively.