Who should use YoutubePreamp?

YoutubePreamp is an open-source project built for youTube listeners and sound-system enthusiasts using Firefox.

What platforms does YoutubePreamp run on?

YoutubePreamp runs on the web and embeddable surfaces.

Is YoutubePreamp still active?

Unverified. YoutubePreamp has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to YoutubePreamp?

Similar projects tracked by PulseGate include YouTube Equalizer, YouTube Video Filter, and Video Enhancer for YouTube™.

Who makes YoutubePreamp?

YoutubePreamp is developed by Lorenzo Testa.

When did YoutubePreamp launch?

YoutubePreamp first shipped in 2019.

Back to the index

YoutubePreamp

Name: YoutubePreamp
Author: Lorenzo Testa

mozilla.orgMusic production & plugins

YoutubePreamp is a Firefox extension that adds a four-way crossover, kill switches, volume controls, a dub siren, and video and siren delay to YouTube videos. It is an open-source tool for sound-system enthusiasts.

Open SourceWebEmbeddable

Visit mozilla.org

Overview

6 features

In the Music production & plugins space, YoutubePreamp takes a focused approach. It focuses on enhancing YouTube audio with sound-system preamp controls and live effects. It is built as an open-source project for youTube listeners and sound-system enthusiasts using Firefox. YoutubePreamp is open source under the Open Source license. It ships for the web and embeddable surfaces.

Lorenzo Testa builds and maintains YoutubePreamp, and it first shipped in 2019. Among its 6 catalogued features are four-way crossover, kill switches, and volume controls. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

Four-way crossover
Kill switches
Volume controls
Dub siren
Video delay
Siren delay

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

License

Open Source

Verified signals

HTTPSPrivacy Policy Terms of ServiceOpen SourceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed11 Sept · 21:10 UTC
YoutubePreamp verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about YoutubePreamp

What does YoutubePreamp do?: YoutubePreamp focuses on enhancing YouTube audio with sound-system preamp controls and live effects. It is catalogued under Music production & plugins on PulseGate.
Who should use YoutubePreamp?: YoutubePreamp is an open-source project built for youTube listeners and sound-system enthusiasts using Firefox.
Does YoutubePreamp have a free plan?: Yes — YoutubePreamp is open source under the Open Source license and free to use.
What platforms does YoutubePreamp run on?: YoutubePreamp runs on the web and embeddable surfaces.
Is YoutubePreamp still active?: Unverified. YoutubePreamp has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to YoutubePreamp?: Similar projects tracked by PulseGate include YouTube Equalizer, YouTube Video Filter, and Video Enhancer for YouTube™.YouTube Equalizer YouTube Video Filter Video Enhancer for YouTube™
Who makes YoutubePreamp?: YoutubePreamp is developed by Lorenzo Testa.
When did YoutubePreamp launch?: YoutubePreamp first shipped in 2019.

At a glance

Pricing: Open Source
Platforms: Web
License: Open Source
First seen: 11 Sept 2026
Built for: YouTube listeners and sound-system enthusiasts using Firefox
Model: Open source
Solves: Enhancing YouTube audio with sound-system preamp controls and live effects.

Registered as

Firefox Add-ons: youtubepreamp

Developer

Lorenzo Testa

Index record

Indexed: 11 Sept 2026
Lifecycle: Alive
First seen: Sept 2026
Last seen: 11 Sept 2026

Identity audit (13)

Slug: youtubepreamp-mozilla-org
Lifecycle state recorded: 11 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 11 Sept 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 11 Sept 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/youtubepreamp

Ship this? Send a correction — no account, and you get a link to follow it.

Similar projects

Closest matches by what these projects do