Simple, small app to boost your sound volume and useful to change music voice.
When you set the boost to zero, Volume Monkey will be off.
Disclaimer:
Playing audio at high volume may damage your hearing or broke your speakers. We advise you to boost the volume step by step, to get the appropriate volume. By installing this application you agree that you will not hold its developer responsible for any damage to hardware or hearing, and you are using it AT YOUR OWN RISK.