It is not possible to solve a problem if you have not defined which one,
You request is not complete enough to get the answer at this question.
Volume problems on mp3 files may have different causes:
- bad record quality or bad sound volumes.
- The sound in the parameters of the wav track in the mixer's settings of the sound card is too low. (in this case, you will read all sounds files
like mp3 or ogg to a volume too low. But you shouldn't have problems with midi files or cd.
- Sound volume inside the software in which you read the mp3 is to low.
If this answer does'nt solve the problem, try to define better the moment
when you have the problem in your request in a search engine.
For example: volume sound mp3 winamp
or: problem volume mp3 cd