Heavy Bass Boost Preset
A +14 dB thump for bass-first listening.
What is this tool
AudioToolKit applies a heavy bass boost online for free, in your browser. A +14 dB low-shelf lift puts the low end first, built for EDM, hip-hop and anything where the sub is the point. The boosted track downloads as MP3 or WAV, and processing stays on your device — ideal for systems with real low-end output.
Drag and drop your file here
or
MP3, WAV, M4A, AAC, OGG, FLAC, AIFF, AIF, OPUS, WMA, AMR — up to 25 MB per file
Output
Bass-boosted MP3 or WAV
Accepted formats
.mp3, .wav, .m4a, .aac, .ogg, .flac, .aiff, .aif, .opus, .wma, .amr
Why use this free tool
+14 dB puts the low end first. Built for EDM, hip-hop and anything where the sub is the point — and for headphones that can take it.
How does the free heavy bass boost work?
- 1
Upload the track.
- 2
Press Process.
- 3
Download the result.
Frequently asked questions
How strong is it?
+14 dB low-shelf — the low end dominates the mix.
Will it distort on small speakers?
It can — this setting is for systems with real low-end output.
Local processing?
Yes, in your browser.
Related tools
More answers in the Help Center.