Ultra-low noise quad VCA and mixer module Each VCA features manual Level control for independent mixing Dedicated CV attenuators with dual LED's for monitoring of bipolar CV signals Adjustable VCA response curve from linear to exponential Each CV input is normalled to the adjacent input for cascaded control Each output is normalled to the mix input of the adjacent output for cascaded control Each VCA features a Boost switch for increased output level (6 dB) 16 controls and switches give you real-time access to all important parameters Eurorack specs: 12 HP, 100 mA +12V, 100 mA -12V