NUX MG-30 professional multi-effect pedal with amplifier modeling and IR loaderMulti Effects The NUX MG 30 is a professional quality multi effect pedal, modeler and IR loader for guitarists and bassists. It can replace the whole signal chain: amplifier, effects, speaker cabinet and microphone. Hence, the MG 30 can be directly connected to a mixing board or active monitors, but it can also be used in combination with a 'real' guitar amp. The MG 30 has a sturdy metal casing and a large LED screen, but inside it's top quality too,