ADDAC 207 Intuitive Quantizer, Eurorack Module, 4-Channel quantiser with 10 octaves tuning range, Keyboard mode - uses the 12 buttons as a keyboard, Freely definable user scales programmable, Programmable chord mode, Adjustable gate time, Tuning control over up to 4 oscillators with transposition, microtuning and 5 selectable tempering, Power requirement: 140 mA (+12 V) / 70 mA (-12 V), Width: 10 HP, Depth: 52mm