Lehmannaudio's App: 'Test Tones'

We’re pleased to present you our app: 'Test Tones' plays test tone signals, so you can detect weaknesses or wrong setups in your sound system.


1, 2, 3 … soundcheck! - Take the first step towards a pure sound experience! Check the sound of your home or professional sound system with our app that is available for Android phones.

Use the following test tones for checking your sound system, regardless if you're a home or a professional user.

  • Frequency sweep 121 steps / 31 steps

  • Pink noise LR / L / R

  • Sine wave LR / L / R

  • Test song by Bluebridge The Quartet

After downloading all sounds will also be available for offline use.