Nux MG400 Modeling Guitar and Bass Processor

Guitar, bass and acoustic tones in one modeller with a built-in expression pedal. The NUX MG400 is a modelling processor for guitar and bass with two DSP chips running TS/AC-HD white-box amp modelling and Core-Image effects. A 2.8-inch colour screen, 10 movable signal blocks and a built-in expression pedal make it a complete floor unit.

Why customers choose it

• Two DSPs: high-definition TS/AC-HD white-box amp modelling with Core-Image post effects.
• For every instrument: electric guitar amps, bass amps and acoustic simulation IRs with matching acoustic amps.
• Flexible chain: 10 independent, movable signal blocks.
• Your cabs: 512-sample IRs, a user slot in each patch plus 12 IR collection slots.
• Hands-on: built-in expression pedal – hold PEDAL for wah.
• In time: Global TAP syncs delay and modulation across presets; direct BPM entry 40–240.

Who it is for

Guitarists and bassists who want one floor unit for practice, gigs and recording, and players moving up from a smaller multi-effects.

What’s in the box

• 1 x NUX MG-400
• 1 x Power adapter
• 1 x USB cable
• 1 x User manual

Specifications

Good to know

• Firmware updates are installed over USB with NUX software – back up presets first.