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DS71 Dub Siren (Open Box Special)

SKU bst-eq-1726-cert8

analog sound module generates dub sirens, sweeps + FX; fun for hours and hours 🔥
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sale Current Price$299.00 Original Price$399.00
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Lab Overview

Open Box / B-Stock Notes

  • exterior grade: 8.0 out of 10 - very good, some surface wear
  • item cosmetic note: n/a
  • item function: ✔️ tested
  • item exterior packaging: original, packaging may show damage
  • note: all open box / b-stock items are final sale


  • boutique analog synthesizer module produces genuine dub sirens, sweeps + FX, inspired by classic synth-drum modules used by reggae & dancehall soundsystems
  • 100% analog audio oscillator, filter + VCA generates fat and aggressive-sounding tones
  • powerful digital LFO for advanced sound shaping
  • (8) different sound parameter presets triggered by (4) buttons
  • individual knobs for shaping decay, depth, tune, sweep shape, LFO rate + volume
  • can be used standalone or triggered via piezo electric drum pads, analog drum machines, sequencers + more
  • power supply included

“The DS71 is a synthesizer designed to create many different dub siren sound at your fingertips. Analog synth voicing circuitry combined with a powerful digital LFO, a match held together by an intuitive array of controls and features for quick access to near infinite sounds palette. The DS71 differs from our other sirens for its modulation features and the range of the tone controls. The heart of the DS71 it’s the advanced digital LFO waveforms bank: 8 different sounds parameters at your disposal just by pressing one of the four trigger buttons. 'Bank A' for more traditional siren waveforms and 'Bank B' for more experimental, unusual and crazy waves. you’ll never go out of solutions and sounds with this circuit.” - Benidub


  • analog square wave oscillator
  • analog 12dB LPF (low pass filter), (fixed resonance)
  • analog VCA with discrete transistors
  • digital LFO with two banks of 4 sound parameters each
  • output: (1) impedance balanced 1/4” TRS Jack
  • trigger input: (1) unbalanced 1/4” TRS Jack
  • dimensions: 5.1” x 5.7” x 2.4” / 130 x 145 x 60mm
  • weight: 1.27 lbs / 0.58 kg



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