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With the clear wave app, you can test your speaker You can get measure with tools sound level meter, decibel meter.db meter We use the sound of 30 Hertz to 5.000 Hertz to help the test your speaker How to use the test speaker feature: - Place your phone with the screen facing down. - Then press the clean button - wait until the process is finished How to use sound meter and db meter - Go to the area where you want to measure the sound - Then click the start button You can create the frequency range you want with the frequency and tone generator. You can also test your speakers separately, right and left. This app turns your iOS device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you. This tool mainly help audio experts or workers prone to noise pollution Terms of use and privacy policy https://docs.google.com/document/d/1k1RqmG3arlz44qHvyyvIboOdu0s0tFv_
