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 v1.0 QD – Quad Drum Voice – memory card content QD – Firmware Update – v1.4.0 QD on ModularGrid firmware update log: v1.0.0: initial firmware v1.0.1: minor bugfixes v1.2.0: minor bugfixes improve compatibility with WAV files created by certain DAWs v1.3.0: fix 808 kick drum model sometimes locking up v1.4.0: fix reading certain WAV files