SKU: 67347403542

NUX MG-400 Guitar Modelling Processor Multi Effects Pedal

Sale price$382.50 Regular price$425.00
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Description

NUX MG-400 Guitar Modelling Processor Multi Effects PedalBEST VALUE MODELLER The NUX MG 400 is a value packed modeller akin to his little brother, the MG 300. MG 400 houses 2 powerful DSP chips for high definition White Box Amp Modeling algorithm (TS AC HD) and Core Image post effects. Since releasing the MG 300, people have been blown away by the sound and playability, not to mention the ease of use tone tweaking and intuitive interface. And now, the MG 400 builds upon the MG 300 feature set moveable

BEST VALUE MODELLER

The NUX MG-400 is a value packed modeller akin to his little brother, the MG-300. MG-400 houses 2 powerful DSP chips for high-definition White-Box Amp Modeling algorithm (TS/AC-HD) and Core-Image post-effects. Since releasing the MG-300, people have been blown away by the sound and playability, not to mention the ease-of-use tone tweaking and intuitive interface. And now, the MG-400 builds upon the MG-300 feature set moveable signal blocks, 12 IR COLLECTION slots, flexible P.L block with MIN & MAX parameter setup, abundant SYSTEM MENU, and physical MASTER volume knob, MG-400 is now the best value modeller for the money.

[TSAC-HD]

WHITE-BOX AMP MODELLING

Same Amp Modelling Algorithm as MG-300, for easy Tone Tweaking:

The White-box Amp Modelling & Pre-Efx algorithm offers realistic playability and analog-chaos response.

The concept of "Chaos makes the muse" perfectly applies to the analogue circuit. When you tweak the knob, it affects itself as well as other parameters. For a linear digital system, the parameter is independent. The white-box algorithm offers real-time feedback, increment-by-increment. NUX TS/AC-HD replicates the same playability most guitarists crave in a real tube amplifier.

2 more amps have been added in Firmware V2.1.1!

VIVO

L STAR

512 samples IR resolution and USER slot with each patch.  (additional 12 IR COLLECTION slots)

IMPULSE RESPONSE

The MG-400 includes multiple impulse response of 512 samples each. You can load 3rd party IR files using our NUX QuickTone edit software (support up to 48kHz sample rate). The included 25 guitar cabinet IRs combine 4 classic microphones with 3 mic positions to allow beginners a quick and easy way to jump into the multi effects experience. Also included are 8 bass cabinet IRs and 3 acoustic guitar IRs, giving you the ability to play bass guitar on MG-400 or use electric guitar to simulate acoustic guitar sound with acoustic guitar IRs.

10 INDEPENDENT FLEXIBLE BLOCKS

You can move signal blocks freely on the MG-400 and/or QuickTone editing software. Set the PATCH LEVEL block in front of AMP to swell the volume. Put DELAY block in front of gain stage to create grooving riffs. There are lots of tone creations with the flexible block routing.

Since Firmware V2.1.1, you can hold the signal block to switch: CMP<-->EFX , EFX<-->MOD , MOD<-->EFX, RVB<-->DLY. Therefore you can stack 2 Delays at the same time, or stack the CMP or 2 EFXs (OD/DIST) at the same time!

NG, CMP, EFX, AMP, IR, EQ, MOD, DLY, RVB, P.L | 10 independent moveable signal blocks.

An intuitive user interface with a colorful LCD lets you get rid of reading manuals. Keep it Simple!

2.8" COLOR LCD

2.8" 320*240 color LCD with intuitive UI.

SCENE FUNCTIONALITY

Use SCENES to engage/disengage blocks with either CTRL footswitch.

You can assign CTRL1 or CTRL2 to trigger the SCENE Functionality. Each preset has 3 scenes, which are snapshots within a preset. This is a powerful function for live gigs. Each SCENE can engage/disengage signal blocks freely, and it retains the DELAY / REVERB trails when you disengage them with SCN CTRL.

The MG-400 supports NUX Phrase Loop Synchronization with Rhythm. You can play the rhythm then record your phrase loop. MG-400 will automatically beat match the phrase to fit the current rhythm BPM.

*Choose either STEREO / MONO looping. (Stereo is 30 seconds, mono is 60 seconds.)

Two Recording Modes

*NR = Normal Recording works as regular loop function, while you press CTRL1(LOOP) footswitch, it starts to record the phrase loop.

*AR = Auto Recording will stand by while you press CTRL1(LOOP) footswitch, once you hit the strings, it will start to record your phrase loop.

Jam ( Drum & Looper )

Editor Software

You can download the QuickTone editor from the MG-400 product page. An intuitive interface is provided for tweaking parameters, dragging block order, setup SCN, save patches, load patches, export patches, load IRs, set up USB routing and CTRL SETTING; all by simply using QuickTone.

USB Audio Interface

For home studio and silent practice, the MG-400's USB audio capabilities makes it the Swiss Army Knife of guitar audio interfaces. Connect it via USB to your PC, and you can record tracks, re-amp, and even do live-streaming with the MG-400.

In Normal mode, you can choose Loopback to play the playbacks from PC when doing a live stream.

Re-amp: MG-400 offers Dry Out and Re-amp recording applications.

Top Class custom presets and IR Packs. Supported by years of experience on stage and behind the scenes, Choptones, since 2014 offers a wide range of custom patches for most of the device available on the market. Choptones' guitar sound shaping professional proposal make possible for every guitar / bass player to get the sound more powerful and functional for every kind and style of playing.

Highlights

2.8" 320*240 color LCD with intuitive UI.

NG, CMP, EFX, AMP, IR, EQ, MOD, DLY, RVB, P.L | 10 independent moveable signal blocks.

White-box Amp Modelling & Pre-efx algorithm offers realistic playability and analog-chaos response.

512 samples IR resolution and USER slot with each patch. (additional 12 IR COLLECTION slots)

Electric guitar amp models, bass amp models, and acoustic simulation IRs with related acoustic amp models.

Input trim under SYSTEM MENU.

5 output modes with global 3 band EQ for quick tone tweaking. (Besides STUDIO DIRECT, others will disengage IR signal as default.)

PARA. FOLLOW function can track your effect tweaking habits.

USB recording interface, firmware update, QuickTone edit software.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 67347403542

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4.5 ★★★★★
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Animal Lover
Cuba, US
★★★★★ 5
Great trial set. Just be careful throwing the orange one!
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Blue isn't that easy to see in the yard White charges with bright light/UV and is truly a game changer for night-time fetch. Both dogs clearly favor it. Orange is easy to see in the grass at day They're 3 different weights as well, so double trial. I prefer medium for my big dogs, though light performs well too The orange is HEAVY and unyielding. Do NOT throw it with a ball thrower. It could damage your house or knock your dog out. Seems tough though.
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Reviewed in the United States on January 16, 2026
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Spo509
Los Angeles, US
★★★★★ 3
Not as good as chuck it anymore
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
I have bought these before and the where just like the chuck it balls. These are not those balls. The are lighter and my dog has already cause damage to one
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Reviewed in the United States on March 16, 2026
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Shelley
Waukegan, US
★★★★★ 5
Play fetch in the dark! My dog loves these balls!
Size: 2.5in Medium Treat
My dog loves these glow in the dark balls! The squeak is an added bonus! They get glowing very fast, in just seconds, and they bounce erratically making the dog go even more crazy chasing them! They are also indestructible. She is a strong chewer and none of these balls even has a scratch yet.
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Reviewed in the United States on April 14, 2026
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Stacey
Boise, US
★★★★★ 5
Fun Durable and My Dog Loves Them
Size: 3.5in Large
I bought these glow squeaky balls for my dog and they have been a huge hit. The size is perfect for medium to large dogs and the material feels sturdy enough to handle plenty of playtime. My dog usually destroys toys within a few days but these have held up really well and still squeak loudly which keeps him interested. The glow feature is surprisingly useful. We play fetch in the evenings and being able to spot the ball in the grass makes it so much easier. It also adds a fun element to nighttime play. The squeak is loud but not annoying and it really grabs my dog’s attention. Having four in a pack is a great value. I can keep one inside the house one outside and still have extras ready. The texture is also easy to clean which is important because they definitely get muddy after outdoor play. Pros: durable material fun squeak glows in the dark easy to clean and great value for the price. Cons: my dog loves them so much that he insists on carrying one everywhere. Overall this is an excellent set of dog toys. They are durable fun and practical. I would recommend them to anyone who has an active dog that loves to fetch and squeak.
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Reviewed in the United States on September 2, 2025
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Marissa
Waukegan, US
★★★★★ 5
Buy this for your pet!
Size: 2.5in Medium
My dogs absolutely loves These! I usually go play with them in the dark and the glow is so perfect, it bounces great and pet enjoyment of the toy.
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Reviewed in the United States on April 10, 2026

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