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NUX MG-300 MKII Multi-Effects Amp Modelling Pedal

NUX  |  SKU: 173.397

Product Highlights

  • Amp modeller, multi-FX, IR loader and USB audio interface in one
  • Realistic TSAC-HD amp modelling engine with responsive tone
  • 25 built-in IRs plus support for user/3rd party IRs via USB
  • 56 effects including delay, reverb, drive, modulation & more
  • 72 user patch memories, intuitive interface with colour screen
  • USB interface, looper, drum machine & NUX QuickTone™ mobile editing

NUX | For the creative artist

NUX Audio is known and loved by singer-songwriters and musicians for its exceptional value for money and innovative products, such as the MG-400, a multi-effects pedal that functions as a drum machine and looper with a USB interface.

We are the largest NUX Audio Equipment retailer in the United Kingdom.

Shop the collection CLICK HERE>

NUX Innovative effect peddles and amplifiers for the creative artist

Sale price £132.99 Regular price £159.00

Expert Advice, Click for Help

Need help? Call us on: 02476 369897

Use Live Chat or e-mail us directly at: sales@audiodirect.co.uk

OPEN: Mon to Fri - 9am to 5pm (Closed Sat/Sun)

We are more than online retailers, our sales staff have a passion for making music and give honest frank feedback on their experience with your chosen product. Call us for a chat or read all about us HERE>

FREE Delivery & Easy Returns Info

DELIVERY

FREE Mainland UK Shipping for orders over £99 (Standard Service 2-3 days)

£3.99 per order for orders below £99. (Standard Service 2-3 days)

FAST Delivery Needed? We got you! find express delivery options at checkout or read our: Comprehensive delivery information HERE>

EASY RETURNS

Not completely happy with your audio gear? No problem! simply return it back to us for a full refund within 60 days of purchase.

Find comprehensive return T/C instructions HERE>

Why Purchase from Us!

  • Est. in 2001, 25 years of 5-star reviews
  • Expert advice, before & after your purchase
  • Official® brand retailers, no grey imports!
  • Manufacturer warranties you can rely on
  • Price match promise, never knowingly beaten on price
  • Confidence at checkout. 100% Secure shopping
  • FREE UK delivery on purchases over £99.00
  • Fast next-day delivery, trustworthy delivery partners & secure packaging
  • Quick & easy 60 days returns

We are more than online retailers. We have a passion for playing, making, and recording music. We only sell products we would be happy to use and that you can rely upon.

Read All About Us HERE>

Description

NUX MG-300 MKII — All-in-One Amp Modeller, FX Engine & Recording Interface

The NUX MG-300 MKII is a next-generation multi-effects processor for guitarists, combining high-quality amp modelling, third-party IR loading, dynamic effects, and USB audio interface functionality — all in a compact, pedalboard-friendly unit. Whether you’re jamming at home, recording in the studio, or playing live, the MG-300 MKII puts pro-level tone and control right at your feet.

Realistic Amp Modelling with TSAC-HD Engine

At the heart of the MG-300 MKII lies NUX’s proprietary TSAC-HD modelling algorithm, delivering stunningly realistic amp response and feel. From vintage cleans to aggressive high-gain tones, this processor offers a wide palette of amp and cab tones that respond like the real thing.

Built-In IR Loader & 3rd Party IR Support

With 25 onboard speaker cab IRs and full support for third-party IR files, you can shape your tone exactly the way you want. Whether replicating your favourite mic’d cab setup or experimenting with studio IRs, the MG-300 MKII delivers studio-grade realism live or in recordings.

Essential Effects & Dynamic Routing

Packed with 56 effects across modulation, delay, reverb, overdrive, compression, and EQ, the MG-300 MKII lets you create complex signal chains with ease. You can freely route your effects and amps, experiment with pedal order, and save up to 72 user patches for instant recall.

Built-In USB Interface & Jam Tools

The integrated USB audio interface makes direct recording into your DAW simple. Plus, onboard jam tracks, a drum machine, looper, and mobile editing via NUX QuickTone™ make this a powerful practice and production tool.

KEY FEATURES: NUX MG-300 MKII Multi-Effects Amp Modelling Pedal
  • TSAC-HD Amp Modelling – High-definition tone engine with dynamic response for realistic amp sounds.
  • Built-In & 3rd Party IR Support – Includes 25 IRs with support for your own via USB.
  • 56 Onboard Effects – Combine overdrive, modulation, delay, reverb, and more with flexible routing.
  • USB Audio Interface – Record directly into your DAW with no extra gear required.

Specification

  • Amp Modelling: TSAC-HD Engine
  • Cab IRs: 25 onboard + 3rd party IR import (via QuickTone™ software)
  • Effects: 56 total (OD, distortion, modulation, delay, reverb, EQ, comp)
  • User Patches: 72 slots
  • Looper: 60 seconds max time
  • Rhythm Machine: 56 drum patterns
  • Interface: USB Type-B for audio and editing
  • Inputs: 1x 1/4" instrument
  • Outputs: 1x 1/4" stereo, 1x headphones, USB
  • Display: Colour screen
  • Power Supply: 9V DC (included)
  • Dimensions: 234mm x 153mm x 65mm
  • Weight: 1.04kg
Warranty
  • 1-year warranty

What's in the box?

  • NUX MG-300 MKII Multi-Effects Processor
  • 9V DC Power Supply
  • USB Cable
  • User Manual

Downloads & Manuals

Need help? Call us on: 02476 36 98 97

We are more than online retailers, our sales staff have a passion for making music and give honest, frank feedback on their experience with your chosen product.

OPEN: Mon to Fri - 9am to 5pm (Closed Sat/Sun)