Speaker Test – Stereo Checker

Speaker tester + stereo checker with mic test and decibel meter.

Speaker Test – Stereo Checker helps you quickly test your phone’s left speaker, right speaker, stereo output, and ear speaker (earpiece). It also includes a Microphone Test and Decibel Meter (dB) to check your audio input performance.
If you’re troubleshooting low volume, imbalance, distortion, or speaker issues, this app gives you simple tools to diagnose audio problems in seconds.

🔊 Speaker Tests
* Left Speaker Test (left channel only)
* Right Speaker Test (right channel only)
* Stereo Test (verify L/R channel output)
* Max Volume Test (check loudness & distortion)

☎️ Ear Speaker (Earpiece) Test
* Test earpiece audio like during a phone call
* Useful for checking ear speaker clarity

🎙 Microphone Test
* Record a short 3-second clip
* Play back instantly to verify microphone quality

📈 Decibel Meter (dB)
* Measure ambient noise levels
* Shows minimum / maximum recorded dB
* Helpful for checking microphone sensitivity
dB readings are approximate and depend on device hardware.

🎛 Controls
* Select test duration
* Enable loop playback
* Clean UI with clear output

🔒 Privacy & Permissions
* Microphone permission is used only for Microphone Test and Decibel Meter
* Audio is processed on-device and is not uploaded

⚠️ Disclaimer
Speaker Test is a diagnostic utility. Results may vary depending on device hardware and audio processing. This app does not repair hardware issues. Use moderate volume and avoid prolonged high-volume playback.

✅ Get Started
Use this app to test your device audio output and input in seconds.