Radial Engineering MC-3, passive Monitor-Controller with a large choice of connections and switches, 2x Mono-Jack, switchable balanced / unbalanced, 2x Monitor (A and B - each adjustable) out, Subwoofer out (switchable phase 180°), Aux Out, 2x Headphones out, 2x 6,3mm 1x 3,5 mm Mini Jack), Dim/Mute switch (adjustable), Mono-Switch, Master-Level Potentiometer