SonicSpeed Pro by brian

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SonicSpeed Pro version history - 2 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 2.0.0
Released Mar 14, 2026 - 50.29 KB
Works with firefox 91.0 and later
v2.0.0 — Complete rebuild. Everything is now free, forever.
- Removed all Pro/Free gating — 600% volume boost, visualizer, and all features unlocked for everyone
- Replaced Lemon Squeezy licensing with a Ko-fi support link
- New: Mono Toggle — merge stereo channels into one (perfect for one-earbud use)
- New: Channel Pan slider — balance audio left or right
- New: EQ Profiles — "Clear Voice" (+8dB at 2.5kHz for speech clarity) and "Bass Engine" (+10dB low-shelf for bass boost)
- New: Night Shift preset — low-pass filter + warm compression + subtle pitch shift for late-night listening
- New: 6 scene presets (Movie, Music, Podcast, Night Shift, Clear Voice, Bass Engine) + saveable My Mix
- Rebuilt audio pipeline: GainNode → Compressor → Low-Pass → EQ Peak → EQ Shelf → StereoPanner → Mono Mix → Analyser
- Upgraded visualizer with cyan/violet gradient bars and VIZ_BOOST_PRO amplification
- Full UI redesign: Professional Audio Rack aesthetic, dark mode, neon cyan/violet accents
- Manifest downgraded to MV2 for full Firefox Web Audio API compatibility
Source code released under All Rights Reserved
Download Firefox and get the extension
Download file

Latest version