Test your speakers and microphones with specialized sound frequencies. Measure sound in decibels and Hz to assess speaker quality and detect damage. Identify potential microphone issues.
钢琴巴士 by Shanghai Music Publishing House Co., Ltd.





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iSruthi is great, but it's not the only option. Explore 17+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.










Test your speakers and microphones with specialized sound frequencies. Measure sound in decibels and Hz to assess speaker quality and detect damage. Identify potential microphone issues.
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