Compact mixers with high impedance jack inputs suitable for auxiliary line level or instruments, mixing to a master jack output. Available as either 4 mono or 4 stereo version with separate volume controls for each input and master output. Powered by 1 x 9V battery or optional 12Vdc adaptorBattery[tab]9V battery (PP3 - not supplied)[br]Power adaptor[tab]12Vdc, 200mA (optional)[br]Output level[tab]+4dB (+8dB max.)[br]Input impedance[tab]20k Ohms[br]Output impedance[tab]600 Ohms[br]Dimensions[tab]150 x 108 x 64mmInputs[tab]8 x 6.3mm jack[br]Outputs[tab]2 x 6.3mm jack[br]Weight[tab]621g (no battery)