Hertz Generateur de Frequence 4+

Our app is designed to test the sound output of your device speaker, stereo systems, loudspeakers and other audio equipment. It’s perfect for anyone who wants to enjoy clear, high-quality sound. Also, with the help of the app, you can check the sound at different frequencies.

Here are the key features:

○ SOUND TEST & CHECK
This feature can help you identify any issues or areas for improvement with your device's sound. Just press the button and start sound checking.

○ SPEAKER CLEANER
If dirt or water has accumulated in the speaker of your device, then you can try to clean it by following the simplest instructions.

○ TONE GENERATOR
Produce a wide range of tones and frequencies. You can set any value for the frequency to be tested. The application will be a great tool for checking the sound of your device's speaker, stereo systems, bluetooth speakers, etc. by testing at various frequencies in the range from 1 Hz to 22 000 Hz.

○ SOUND WAVEFORMS
The sound waveform display provides a visual representation of the sound being produced. You can choose the desired view - sine, square, or triangle.

○ STEREO & BASS TEST
Check the quality and performance of your device's bass and stereo output. The feature allows you to switch between stereo and bass and check the right and left channels, as well as change the playback speed.

○ NOISE MIXING
Mix different types of noise and set a timer. This feature can be used for easy falling asleep.

○ SOUND METER
Instantly measure the noise level in dB and get a clear result.

○ REPELLER
Tired of mosquitoes, the neighbor's dog, or being infested by rodents? With the right frequency, you can easily repel unwanted guests.

○ BUILT-IN PRESETS
You can choose any of the ready-made presets to test the sound in the desired frequency range.

Overall, this app is an essential tool for anyone who wants to optimize their device's sound performance. With its range of features, our speaker cleaner app is an excellent choice for audiophiles, music lovers, and anyone who wants to enjoy clear, high-quality sound.

Important! We do not give a full warranty on cleaning your speaker. Various frequencies and sound vibrations can help clean the speaker if there is little dirt or water. In other cases, we recommend that you contact the service center.
We also would like to warn all users that sound testing at high volume can damage your devices or impair your hearing. We provide you with the best sound quality, but the final result depends on you. Please be careful.

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