ODS TB-03 Bassline
A free web-based synthesizer inspired by the Roland TB-03 Bass Line. Craft iconic acid bass lines right in your browser — no install required.
Synthesizer Features
Everything you need to craft the perfect acid bass line, built right into your browser.
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features.seq.cta >MIDI Support
Full MIDI input and output support for integrating with your existing hardware and software setup.
features.midi.cta >Try the Sequencer
Program a TB-303 style acid pattern. Click steps to cycle notes, right-click to deactivate, toggle accent bars for extra punch.
Left-click to cycle notes · Right-click to deactivate · Accent bars add TB-303 punch
Get Notified at Launch
Be the first to know when ODS TB-03 Bassline goes live in May 2026.