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PolyBass 400Analog & Digital Hybrid Bass Synthesizer

Deep, analog-modeled polyphonic bass synthesizer designed for punchy low-end and tearing sub-bass. Features dedicated sub-oscillators, Braids algorithms, dual parallel filters with 2x oversampling, bus compressor, built-in 16-step sequencer, and stereo chorus.

  • Hybrid Engine — Braids + Dual Filters
  • Bus Compressor — Stereo Macro Punch
  • 136 Presets — Acid, Reese & Sub
  • 16-Step Sequencer — MPC Swing & Divs
PolyBass 400 interface

Specifications

  • Filter ArchitecturesDual Filter Bank: 24dB Moog Ladder, Diode 303, Sallen-Key & Comb
  • Anti-Aliasing2× Polyphase Oversampling on Nonlinear Saturation Stages
  • Dynamics EngineFeed-Forward Bus Compressor with Auto-Makeup & Linked Stereo Peak
  • Sequencer16-Step with Probability, Ratchet, Divisions (1/4–1/32T) & MPC Swing
  • Preset Library136 Built-in Factory Patches with Category Browser
  • VectorizationRust Lock-Free Real-Time DSP (SIMD128)
  • Latency0 Samples (Zero-Latency Processing)
  • SandboxingIn-Process Isolated Memory (AES-256)

Download PolyBass 400

PolyBass 400 Native Plugin

Sandboxed native format. Instant loading in OMNi DAW with GPU GUI acceleration and zero crash risk.

v1.1.0 · 2026-08-27 · .omniplugin · 94 KB

Download PolyBass.packed.omniplugin

Changelog

v1.1.0Dual Filters, Bus Compressor, 136 Presets & Interactive LCD
2026-08-27
  • Added — Bus Compressor Module: Feed-forward peak compressor with linked stereo detector, 6dB soft-knee, unified punch amount macro, and auto-makeup gain for cohesive low-end glue.
  • Added — Dual Filter Bank Architecture: Added parallel Filter B routing supporting 6 filter topologies (Moog Ladder, Diode 303 with accent, Japan Sallen-Key LP/HP, Comb, SVF) with 2× oversampling and DC blocker.
  • Added — Per-Oscillator Envelopes: Independent ADSR amplitude envelopes for Oscillator 1 and Oscillator 2 alongside the master envelope.
  • Added — 136 Factory Presets: Comprehensive built-in sound bank covering Deep Sub, Acid 303 Squelch, Reese Growl, Moog Taurus, 808 Boom, Dubstep Wobble, and Synthwave basslines.
  • Improved — Multi-Mode Retro LCD Screen: Added real-time DSP waveform mini-preview, oscilloscope visualizer, interactive filter frequency response graphs, envelope curves, and mixer mode.
  • Improved — 16-Step Sequencer Redesign: Full-width compact sequence strip with flexible rate divisions (1/4 to 1/32T), 8/16 step length selector, root note pitch selector, and MPC swing presets.
  • Fixed — LFO BPM Synchronization & Rate Precision: Fixed host transport tempo sync rate parameter routing; improved sub-10Hz logarithmic knob curve resolution and exposed LFO1/2 tabs with 8-bit destination matrix.
  • Improved — SIMD128 Vectorization: Enabled +simd128 target flags for vectorized real-time DSP performance with minimal CPU load.
v1.0.0Initial Release
2026-07-15
  • Added — Initial release of PolyBass 400 in native .omniplugin format.
  • Added — Hybrid Braids digital oscillator + analog transistor ladder filter engine.
  • Added — Integrated vintage BBD stereo chorus rack.

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