MP3 Amplifier

MP3 Amplifier

5,000,000 - 10,000,000 downloads

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So you already set the volume to maximum, bought those cool headphones, but volume on your music or ringtone is still not loud enough?

The solution might be as easy as amplifying those MP3s in question.

This simple application does just that, in 3 easy steps:

1. Start it up, select the files that are not loud enough
2. Set the amplification factor
3. Amplify!

This app can boost the volume of your music or other MP3 files up to eight times louder!

This MP3 booster WILL NOT CHANGE YOUR ORIGINAL FILES! It will create amplified versions of them in the Music folder on your SD card (or external storage).

You don't need to learn to use expensive and complicated audio applications like SoundForge or mp3 gain, this simple app can take care of all your volume increasing needs.

Also very useful for audio books where the talking can sometimes be almost whisper-like. Amplify those files, and don't miss anything while driving or working out.

Use your phone to its full potential, make those speakers blast that ringtone super loud! The real limitation now is the physical capabilities of those speakers and headphones.

Warning: too much amplification can cause distortion! Use the built-in preview function to test the result before actually doing the conversion.

You can even choose to use the resulting files as your phone's ringtone right away.

NOTE: since phone processors are weaker than desktop or laptop processors, amplifying a file sometimes can take significantly longer than on a real computer. This is the limitation of the hardware, as MP3 Amplifier already uses fully optimized MP3 processing implemented in native code.

If your MP3 files get sped up (chipmunk effect) instead of getting amplified PLEASE SEND US THE ORIGINAL FILE so we can analyze and fix the problem!
We need the help of our users to get to the bottom of this bug, as we were unable to reproduce the problem. Please help us and be the hero this app needs! THANK YOU!

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This application uses the libmp3lame in compliance with the LGPL.
For more information visit

This application is fully featured, and ad supported. It displays a small ad banner when connected to the internet.

You like our app and want to support us? Visit our site for donation information:

Internet - for the ads and flurry-based anonymous usage statistics
Write external storage - for saving the amplified MP3 files
Write settings - to modify ringtone setting

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Recently changed in this version

Added folder select button
Fixed issue with output files not being amplified
Crash fixes

Comments and ratings for MP3 Amplifier
  • (62 stars)

    by G.Murali Dharan on 27/01/2015


  • (62 stars)

    by Shadab Ansari on 24/01/2015

    Oh Very Best Of The Best of the best

  • (62 stars)

    by Chris Moore on 23/01/2015

    I would have given this app 5 stars, acceptance of one big thing. It seems that it will only do a few files at a time, and then crash if you put more files and then it seems to be able to handle. I have sent a few emails to the developer, and so far, have gotten no response for this issue.

  • (62 stars)

    by Ralph Esposito on 23/01/2015

    Will not open.

  • (62 stars)

    by Thang Vo on 23/01/2015


  • (62 stars)

    by Daniel McFarland on 23/01/2015

    Nice update, y'all are dumb, y'all are really dumb. - Antoine Dodson

  • (62 stars)

    by Henry Murphy on 23/01/2015

    Null .what that mean

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