Doepfer A-145-4 VE, Eurorack Module, Vintage Edition with black front panel, Fourfold LFO, Per channel frequency control and output for triangle and square waveforms, Two frequency ranges per channel selectable via jumper (0.002 Hz - 50 Hz), Current consumption: 30 mA (+12 V) / 30 mA (-12 V), Width: 4 HP, Depth: 30 mm