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 1024 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

QD – Quad Drum Voice – User Manual

QD – Quad Drum Voice – memory card content

QD – Firmware Update – v1.9.0 – a lot of new features (v1.7.0+), scroll down for details!

QD on ModularGrid

firmware update log:


  • 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 ofย 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!


  • even more fixes reading more certain WAV files ๐Ÿ™‚


  • 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