VU Meter - Audio Level – Apps on Google Play

Sound Meter - Decibel Meter - Apps on Google Play

VU Meter - SkippyWeb

Music VU Visualizer Widgets - Apps on Google Play

VU Meters For Windows – Graves On SOHO Technology

VU METER Music Levels RGB Sound Control Spectrum

Virtual VU Meter - Apps on Google Play

Music VU Visualizer Widgets - Apps on Google Play

Vu meter hi-res stock photography and images - Alamy

You can swap out the amplifier in this Android-based high-res audio player-FIIO---BORN FOR MUSIC

Best equalizer apps for Android and iPhone - SoundGuys

10 Best Bass Booster and Equalizer Apps on Android

Vu meter hi-res stock photography and images - Alamy