How to Make Your MP3 Songs Louder
Adjusting MP3 Volume with Audacity Step 1 Open Audacity. Use the menu "File" > "Open" and select the desired file that you want to adjust. Step 2 Select "Effect" > "Amplify." Step 3 Adjust the decibel level to the desired level. Use the "Preview" option to test the new volume. Step 4 Save the file.