Extreme Bass Boost Online

or drop files here

Apply a 16 dB low-shelf bass preset, then fine-tune the frequency and intensity. The extreme preset starts at 16 dB around 80 Hz. Compare at similar listening levels; additional bass needs output headroom and cannot restore missing low frequencies.

Use the sixteen-decibel preset deliberately

The extreme starting point applies a large 16 dB shelf. Expect an obvious remix-style effect rather than a neutral remaster, especially on tracks that already contain prominent sub-bass.

Leave substantial margin

Large low-end peaks consume much of the digital range. Begin with negative output trim and increase listening loudness through the playback device only after the tonal choice is settled.

Compare distorted source material

Flattened peaks in the original stay flattened after processing. A powerful low shelf may make that existing distortion more apparent; lower settings or a cleaner source can produce a better result.

Review several passages

Check the introduction, loudest chorus and final decay before saving. The rendered sample-peak adjustment uses one overall gain factor, so a single very strong peak may determine the level of the entire download.

Technical references: Web Audio API specification

Extreme Bass Boost FAQs

Extreme Bass Boost decodes and processes the selected audio in your browser. File contents are not sent to an audio-processing server; page analytics are described in the site privacy policy.
Extreme Bass Boost saves 16-bit PCM WAV. MP3, WAV and other browser-supported inputs are decoded first; WAV output cannot restore detail lost in a compressed source.
Open Extreme Bass Boost, choose your recording, adjust its settings and compare the preview before rendering a WAV download. Effect settings can be auditioned during playback.
Extreme Bass Boost updates the effect during playback when you adjust a control. Use A/B to compare with the source. Render download creates a separate file using the current settings; moving a slider invalidates the previous download.