: Available on the Google Play Store and Aptoide.
: L/R channel identification, frequency sweeps (10Hz to 20kHz), compatibility checks for 4-pin jacks, and "Voice/Music" fidelity tests. Download Earphone Test apk
: Best if you specifically need to troubleshoot your microphone or wiring. Where to download : Available on the Google Play Store . Interesting Review : Available on the Google Play Store and Aptoide
Are you looking to like a broken channel, or are you just checking the frequency range of a new pair? Earphones Test+ - Apps on Google Play frequency sweeps (10Hz to 20kHz)