QD – Quad Drum Voice

QD – Quad Drum Voice

  • 4 digital drum voices in a 22hp compact module
  • every voice can be a sample player, a wavetable VCO or a digital drum model
  • control of pitch, decay and sample selection per voice
  • uSD card slot, up to 1536 samples total, up to 128 samples per drum voice under CV control
  • digital models offer range of kicks, snares, hats, strings and other percussive sounds
  • 4 trigger inputs
  • 4 assignable CV inputs
  • 4 mute buttons and a very intuitive and powerful control interface
  • 4 internal LFOs or mod envelopes than can be synced to triggers
  • internal 4 channel mixer, 2 output channels
  • internal 3-band equalizer and compressor

check out QEX – QD Quad Drum Voice Expander too

QD – Firmware Update – v1.10.4 – a lot of new features (v1.10.0+), scroll down for details!

QD – Quad Drum Voice – User Manual for firmware v1.10

QD – Quad Drum Voice – memory card content description  (files)

QD cheat sheet by synthdawg HERE

QD on ModularGrid

firmware update log:


  • fix preset recall for voices using wavetables


  • fix QEX settings color


  • added support for QEX – QD Quad Drum Voice Expander
  • added SuperSaw VCO as 16th digital model
  • added resonant low pass gates for samples/wavetables
  • added extended pitch range for
                samples: +/- 2 octaves and wavetables: +/- 3 octaves
  • added “choking”, one voice can stop (choke) another
  • added documentation for “easter egg” features in manual:
                Reverb and EXTRA parameters
  • even more stuff, see the updated manual

QD – Firmware Update – v1.10.0


  • increase total number of samples to 1536


  • fix “click” noise when enabling/disabling EQ


  • fix “click” noise at end of the decay envelopes


  • minor fix


lots of new stuff:

  • increase from 32 to 48 sample/wavetable banks, if you don’t want to delete the factory content you can still add your own samples/wavetables
  • 44.1 kHz files are pitched up to match 48Khz
  • if a folder has RANDOM (uppercase!) in the filename, every trigger will pick a random sample from that folder, the MOD pot controls the amount of randomness
  • GATE MODE: in this mode, the decay envelope will only start when the trigger/gate signal goes low
  • COPY and DELETE presets: you can now copy one preset to another slot or delete a preset

See the updated manual for all details!

QD – Quad Drum Voice – User Manual for firmware 1.7


  • even more fixes reading more certain WAV files 🙂


  • more fixes reading more certain WAV files
  • ignore . (DOT) files and folders


  • fix reading certain WAV files


  • fix 808 kick drum model sometimes locking up


  • minor bugfixes
  • improve compatibility with WAV files created by certain DAWs


  • minor bugfixes