A simple and intuitive application that allows you to play sounds, clean speaker at a strictly defined frequency by a clean wave speaker shortcut. It is an all around good speaker cleaner. It allows you to play any frequency ranging from 0Hz to 22kHz.
Key features:
• Noise meter: find out how loud you can be.
• Speaker tester: test your speakers by playing quality audio to hear the crisp and clean sound.
• Player: play a sound of strictly defined frequencies automatically. Just press the button below to start.
• Manual frequency generator: play any frequency manually. Press the sine, triangle, square or sawtooth button to change the wave type.
IMPORTANT NOTES:
• Position your smartphone facing screen down.
• Turn up volume to the max.
• Disconnect headphones if connected.
• If noise meter denies access to micophone.…
From the developer’s store description.