The official app & game
Distributed by ApkOnline
Download this app named Signal Generator.The Signal Generator is an easy to use app to generate sine waves. The App uses a sample rate of 44100 Hz to generate signals. The amplitude and frequency can be set.
Amplitude: 0 % to 100%
Frequency: 0 Hz to 20000 Hz
Test your speakers, subwoofer or headphones!
Signal Generator from ApkOnline.net