Plugin Boutique is running a 303 Day promotion on AcidBox v2 by Audio Blast, dropping the price from $55 USD to $15 USD—a 73% discount—valid until March 9th, 2026.

AcidBox v2 is a bassline synthesizer that recreates the sound of the iconic TB-303. It includes a redesigned interface for creating and tweaking sequences in real time, suitable for live performances.

Electronic music producers working in acid house, techno, or similar genres would use this plugin. Its tools support on-the-fly recording and manipulation during sets.

This deal stands out because it provides deep savings on a specialized 303 emulation during a themed sale tied to the instrument’s legacy.

AcidBox v2 features

  • Up to 64 steps per pattern.
  • More than 180 patterns in bank.
  • 5 integrated FX, 4 different distortions and one delay, with sync, ping pong mode.
  • Easy pattern view.
  • Record on the fly, MIDI in external devices.
  • Playing chords automatically arpeggiate the sequence.
  • 4 sync modes: host sync, internal sync, MIDI in, Arp.
  • Multiple import and export formats: .303, Phoscyon, ABL2, ABL3.
  • Realtime multiple random options: only accents, slides, notes, params, all random (see more on the specifications).
  • MIDI OUT (sync with an external synth, or drag & drop the MIDI on clips in live situations).
  • Step shift: to move your sequence to the left or the right.
  • Transpose: the entire sequence moves up or down.
  • Multiple ways to launch patterns: via MIDI programming and launch quantifications.
  • Available formats: NKS, AAX, Audio Unit, VST3, VST2.

AcidBox v2 simplifies real-time bassline creation with features like pattern banks and MIDI integration. Users can import legacy formats and export MIDI for DAWs.

For more details, visit the product page or the Audio Blast page on Plugin Boutique.