Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated .

Sweetwater
4.0 (3)
$229.00
Amazon
4.2 (83)
$229.00 New
$217.55 Used (Like New)
Reverb
5.0 (2)
$185.00 New
$155.00 Used
Musician's Friend
5.0 (1)
$229.00
Thomann
4.5 (26)
$194.00 $193.00 $1.00 · All time low
Gear4Music
£185.00

Average Price: $210

Standard/Professional

$150

$601+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 5 merchants for "NUX MG-400". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Unlock a world of sonic possibilities with the NUX MG-400, a robust multi-effects pedal designed for both electric guitar and bass enthusiasts. At its core, the MG-400 features a Dual DSP engine, delivering crisp and realistic sound modeling that rivals the experience of playing through a traditional tube amp. This versatile floor processor is equipped with a plethora of effects, including 25 guitar-amp emulations, a bass amp model, and an acoustic-amp simulation, allowing you to sculpt your sound to perfection.

The user-friendly interface is accentuated by a vibrant 2.8" color LCD display, making it a breeze to navigate through its extensive options. Signal blocks can be freely rearranged, empowering you to experiment with unique tone combinations. Whether you're crafting atmospheric textures with modulation effects or creating rhythmic loops with the integrated looper, the MG-400 has the flexibility to cater to your creativity. With the ability to add third-party IRs via the NUX QuickTone software, your tonal palette is virtually limitless.

Designed for both live performance and studio recording, the MG-400 doubles as a USB audio interface, enabling seamless integration with your digital setup. Whether you're streaming, recording, or practicing silently, this pedal is your all-in-one solution. The MG-400 is more than just a pedal—it's a gateway to unlocking your full musical potential.

Key Features:

  • Dual DSP engine for high-definition sound modeling
  • 2.8" color LCD for intuitive navigation
  • 25 guitar amp models, 25 cabinets, and 8 bass cabinets
  • 3 acoustic guitar IRs and extensive effects suite
  • Flexible signal block arrangement for custom tone creation
  • USB audio interface for recording and live streaming
  • Supports third-party IRs via NUX QuickTone software
  • Built-in looper with stereo/mono options and automatic beat-matching

Product specs

Available since December 2022
Design Floorboard
Amp Modeling Yes
Drumcomputer Yes
Incl. Tuner Yes
Expression Pedal Yes
USB-Port Yes
Headphone Output Yes
MIDI Interface No
Line Out Yes
Battery Powered No
PSU included Yes

FAQs

What types of effects are available on the NUX MG-400?

The NUX MG-400 offers a variety of effects including modulation, delay, reverb, and distortion, along with amp modeling capabilities. It features 10 independent moveable signal blocks for versatile sound shaping.

Can the NUX MG-400 be used for both guitar and bass?

Yes, the NUX MG-400 is designed to work with both guitar and bass, providing dual DSP modeling to accommodate the tonal needs of both instruments.

Does the NUX MG-400 have a built-in looper?

Yes, the NUX MG-400 includes a built-in looper, allowing you to record and layer loops for live performances or practice.

How does the NUX MG-400 connect to a computer for editing?

The NUX MG-400 connects to a computer via USB, allowing you to use the NUX QuickTone editing software to customize patches and load third-party IR files.

Is the NUX MG-400 suitable for live performances?

The NUX MG-400 is suitable for live performances, featuring a robust floorboard design, expression pedal, and low latency of just 1.1 milliseconds for seamless sound processing.

What power supply does the NUX MG-400 require?

The NUX MG-400 is not battery powered and comes with a power supply unit, ensuring reliable power during use.

Sophie Burrell

Sophie Burrell

BEST New Affordable Amp Modeller Unit! | NUX MG-400

Video thumbnail for BEST New Affordable Amp Modeller Unit! | NUX MG-400 by Sophie Burrell

BEST New Affordable Amp Modeller Unit! | NUX MG-400

Sophie Burrell

Sophie Burrell

Video thumbnail for THIS IS INSANE FOR JUST $220 by Rob Chapman

THIS IS INSANE FOR JUST $220

Rob Chapman

Rob Chapman

Video thumbnail for NUX MG-400 - demo by Guitar World

NUX MG-400 - demo

Guitar World

Guitar World

Video thumbnail for NUX MG-400 - In Depth Overview, Demo & Review by SRGuitar

NUX MG-400 - In Depth Overview, Demo & Review

SRGuitar

SRGuitar

Video thumbnail for The Best Cheap Modeller Got Even Better? | NUX MG-400 by Leon Todd

The Best Cheap Modeller Got Even Better? | NUX MG-400

Leon Todd

Leon Todd

Video thumbnail for NUX MG-400 Compact Modeler - Music & Demo by A. Barrero by Alberto Barrero

NUX MG-400 Compact Modeler - Music & Demo by A. Barrero

Alberto Barrero

Alberto Barrero

Video thumbnail for NUX MG-400 Modeler by Mike Hermans

NUX MG-400 Modeler

Mike Hermans

Mike Hermans

Video thumbnail for NUX MG-400 - The Best Value Modeler in the Market? by The Bedroom Rocker

NUX MG-400 - The Best Value Modeler in the Market?

The Bedroom Rocker

The Bedroom Rocker

Video thumbnail for NUX MG-400 Demo & Review: My Thoughts by Andrew Siemon

NUX MG-400 Demo & Review: My Thoughts

Andrew Siemon

Andrew Siemon

Video thumbnail for Best Value Shoegaze Modeler? I tested the NUX MG-400 multistomp by SHOEGAZER CHANNEL

Best Value Shoegaze Modeler? I tested the NUX MG-400 multistomp

SHOEGAZER CHANNEL

SHOEGAZER CHANNEL

Reviews

PROS

  • Compact and portable, fits in a gig bag

  • Great for both electric and acoustic guitars

  • Intuitive interface with clear labels and large screen

  • Versatile with programmable reverbs and delays

  • Includes a 60-second looper and drum beats for practice

  • Excellent price for the range of features offered

  • Solid build quality despite the plastic body

  • Low system latency for real-time playing

  • Built-in tuner and expression pedal with smooth operation

  • USB-C connectivity and power supply included

CONS

  • User manual lacks comprehensive instructions

  • Some users find sound quality lacks clarity

  • Limited Latin rhythm beats available

  • Software interface can be unintuitive

  • Issues with saving patches in some cases

  • Volume pedal functionality might not suit all users

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about NUX MG-400.

Features and functionality

  • The noise gate on the MG-400 is considered superior to cheap pedal noise gates, offering a workable solution for minimizing noise.

    Source
  • Users can choose to send either direct (dry) or processed (wet) sound to a PC, and can use the MG-400 for reamping.

    Source
  • The MG-400 reportedly has a latency of 1.1ms, which is considered extremely low compared to other multi-effects pedals.

    Source

Value and pricing

  • A user negotiated a price of $200 for a new MG-400 with free shipping from ProAudioStar on Reverb, highlighting potential for discounts.

    Source

Use cases and applications

  • The MG-400 is praised for its amp and cab models, and is used in the middle of a signal chain, often with slight compression.

    Source
  • The device can be smoothly used to record covers without latency issues, making it ideal for home recording setups.

    Source

User experience

  • Owners appreciate the MG-400 for its extensive modulation, reverb, and delay options, which helped them identify preferred sounds for further pedal purchases.

    Source

Setup and maintenance

  • Bright LEDs on the power supply are mentioned as a minor issue, often mitigated with masking tape to reduce glare.

    Source

Software and compatibility

  • The MG-400 supports USB audio transfer across Mac, Windows, and Linux, with ASIO drivers needed for Windows.

    Source

Critic Reviews

NUX MG-400 review | MusicRadar

musicradar.com

The NUX MG-400 offers a solid range of features and sounds for beginner guitarists, including a plethora of amps and effects that can be tweaked for personal taste. Its user-friendly interface and excellent looper function make it an attractive option for those starting their musical journey. However, the stock presets leave much to be desired, often feeling uninspired and lacking in quality. Additionally, the sensitivity of the expression pedal switch can be a frustrating issue for some. Overall, while the MG-400 has its shortcomings, it provides enough value and potential for creativity, making it a reasonable choice for new players willing to experiment.

4.5 out of 5

Based on 0 Reviews and 3 Ratings

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