Do you want to increase the volume of your Mac OS X? Well, You can easily increase the volume of your Mac OS X by using an app named as Boom. After you have installed this app on your Mac OS X it will reside in the menubar of your Mac. Using this app you can increase the volume for any application available on your Mac such as iTunes, or Skype or Spotify. Using this app you can boost volumes for your favorite music playing on iTunes, you can boost volumes for the videos on YouTube and also it has the ability to boost audio files.
In order to increase and decrease volume simply choose a hotkey with your keyboard, then import a music file into the app to and before sending it to iTunes you can boost its volume. Boom is available at a price of $4.99 USD. You can download this app from the developer’s site or click here to download Boom for your Mac OS X.