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The NUX MG-300 Modeling Guitar Processor delivers professional amp modeling, IR support, and USB recording in a compact, gig-ready design—perfect for modern guitarists.Home
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The NUX MG-300 Modeling Guitar Processor is a powerful and compact multi-effects unit designed for guitarists who want professional-level tone, advanced modeling, and modern connectivity at an accessible price. Built with NUX’s acclaimed TSAC-HD (True Simulation of Analog Circuit – High Definition) technology, the MG-300 delivers highly realistic amplifier response, dynamic feel, and detailed sound quality.
Featuring a wide selection of classic and modern amp models, cabinet simulations, and studio-grade effects, the MG-300 allows players to craft everything from clean blues tones to high-gain rock and metal sounds. The integrated IR loader supports third-party impulse responses, giving users greater flexibility and tonal accuracy.
The intuitive interface with dual footswitches and a bright LCD display makes preset switching and editing simple during practice or live performance. Built-in drum patterns and a phrase looper enhance practice sessions, making the MG-300 an all-in-one creative tool for musicians.
With USB audio interface functionality, the MG-300 connects directly to a computer for recording and re-amping, making it ideal for home studios and content creators. Its compact metal chassis ensures durability while remaining lightweight and portable for rehearsals, gigs, and travel.
Combining professional sound quality, advanced modeling features, and user-friendly design, the NUX MG-300 Modeling Guitar Processor is an excellent choice for guitarists seeking versatile tones for practice, recording, and live use.

The NUX MG-300 uses TSAC-HD modeling to recreate authentic analog amp response with exceptional clarity and dynamic feel.

Supports built-in and third-party impulse responses, allowing players to customize cabinet tone for studio-quality sound.

Integrated drum patterns and phrase looper make the MG-300 perfect for creative practice and songwriting sessions.
| Specification | Details |
|---|---|
| Product Name | NUX MG-300 Modeling Guitar Processor |
| Modeling Technology | TSAC-HD |
| Amp Models | Multiple |
| Cabinet Simulation | Yes (IR Loader) |
| Effects | Built-In Multi-Effects |
| Connectivity | USB |
| Recording | USB Audio Interface |
| Application | Practice, Recording, Live Performance |
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