About this app

This app is a useful tool for checking the right and left audio output and testing the microphone functionality of earphones, headphones, and speakers. Ensuring correct stereo and microphone functionality is essential for an optimal listening and recording experience. The operation is simple: pressing the "Right" button plays sound from the right side, pressing the "Left" button plays sound from the left side, and a microphone test option is available to verify if it's functioning properly. This allows users to easily confirm whether their audio device is functioning correctly for both playback and recording. It’s ideal for verifying stereo sound and microphone functionality in various devices, ensuring accurate sound distribution and recording quality for music, movies, calls, and other media.

Key Features:

Easy-to-use interface: With intuitive buttons, users can test right and left sound output and the microphone function instantly. The app quickly checks stereo channels and microphone status.

Essential for headphone and earphone users: Stereo sound and a working microphone are crucial for an immersive experience and clear communication. This app helps ensure the left and right audio channels are not reversed, and that the mic is operating correctly.

Applicable to speaker systems: Not limited to earphones and headphones, the app can also test stereo speaker setups and microphone input on compatible devices. This is particularly useful for home theaters, online meetings, and audio setups requiring proper speaker placement and mic functionality.

Ideal for audiophiles, content creators, and audio engineers: Whether for professional use or audio enthusiasts, this app is perfect for confirming accurate stereo playback and mic operation. It’s particularly useful for audio editing, music production, online streaming, or even live performance setups where precise sound output and microphone quality are needed.

Lightweight and efficient: The app is small and lightweight, running smoothly without consuming too much battery or storage space. It’s always ready for quick stereo and microphone checks without complicated settings or configurations.

Perfect for Various Scenarios:

New device setup: Just bought new earphones or speakers? Use the app to ensure the right and left channels are correctly oriented and the mic works as expected.

Troubleshooting audio and mic issues: If you feel your sound isn't coming from the correct side or the microphone isn't working, this app helps diagnose those issues quickly.

Checking speaker and microphone systems: Whether setting up a home theater, testing mic input for video calls, or arranging speakers for a live event, this app ensures that the right and left channels and microphone are in the proper working condition.

In summary, this app provides a simple, reliable way to check the stereo output and microphone of your audio devices, ensuring the best possible listening and recording experience. Whether you’re a casual listener or a professional audio engineer, it’s an essential tool for verifying right and left sound distribution and mic quality.

New features

Added indication of connected headphones. A microphone test was also added. Added indication of available devices so that no mistakes can be made regarding microphones. There is a bug that the level display is not shown in playback when recording with a microphone.

App Permissions

Allows an application to record audio.
Allows applications to connect to paired bluetooth devices.
Allows applications to discover and pair bluetooth devices.
Allows applications to open network sockets.
Allows applications to access information about networks.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.