Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated .

Sweetwater
3.5 (3)
$169.00 $149.00 $20.00 · All time low
Reverb
$116.58 New
$105.00 Used
Thomann
4.1 (14)
$150.00

Average Price: $130

Budget/Beginner

$150

$601+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 2 merchants for "NUX MG-300 MKII Multi-effects and Modeling Processor". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Unleash your sonic creativity with the NUX MG-300 MKII Multi-effects and Modeling Processor. This compact powerhouse is designed for guitarists who crave versatility without the clutter of multiple pedals. At its heart is the TS/AC-HD White-Box algorithm, which faithfully replicates analog circuits to deliver stunningly realistic amp and effect sounds. With over 25 guitar amp and cab models, eight bass cabs, and three acoustic IRs, you have a world of tonal possibilities at your fingertips.

The MG-300 MKII isn't just about variety; it's about control. Seamlessly switch between different tones with Pro Scenes, adjust your effects chain with intuitive routing options, and sculpt your sound down to the finest detail. Whether you're practicing, performing live, or streaming, the built-in phrase looper and drum machine, along with the convenient TRRS headphone jack, ensure you're always performance-ready. Plus, the USB-C port transforms this pedal into an audio interface, perfect for recording and using the QuickTone Software Editor for effortless sound customization.

Key Features:

  • TS/AC-HD White-Box algorithm for realistic sound reproduction
  • 25 guitar amp and cab models, 8 bass cabs, 3 acoustic IRs
  • 24 user-loadable IR slots for third-party IRs
  • Intuitive QuickTone Software Editor for Mac and Windows
  • Pro Scene Selection for seamless preset switching
  • Built-in looper and drum machine for versatile practice and performance
  • USB-C connectivity for use as an audio interface
  • TRRS headphone jack with dedicated microphone and noise gate controls
  • Sampling rate of 48 KHz and 32-bit AD converter
  • Extended I/O including USB-C and TRRS headphone connections

Product specs

Pedal Type Multi-FX
Analog/Digital Digital
Looper Up to 60 seconds
Inputs 1 x 1/4", 1 x 1/8" (aux)
Outputs 1 x 1/4"
USB 1 x USB-C
Headphones 1 x 1/8"
Expression Control Yes, Built-in Pedal
Power Source 9V DC power supply (included)

FAQs

What types of effects are included in the NUX MG-300 MKII?

The NUX MG-300 MKII features 50 effects, including distortions, overdrives, modulations, delays, and reverbs, making it versatile for various musical styles.

Does the NUX MG-300 MKII have a built-in looper?

Yes, the NUX MG-300 MKII includes a looper with up to 60 seconds of looping time, allowing you to layer sounds and create complex compositions.

Can I use the NUX MG-300 MKII with headphones?

Yes, the NUX MG-300 MKII has a 1/8" headphone output, making it suitable for silent practice and personal monitoring.

What power supply does the NUX MG-300 MKII require?

The NUX MG-300 MKII requires a 9V DC power supply, which is included with the pedal.

Does the NUX MG-300 MKII support USB connectivity?

Yes, the NUX MG-300 MKII features a USB-C port for direct recording and editing on your computer, enhancing its functionality in a studio setting.

Is the expression pedal on the NUX MG-300 MKII built-in?

Yes, the NUX MG-300 MKII includes a built-in expression pedal, offering dynamic control over effects and parameters during performance.

NUX

NUX

BRAND NEW | NUX MG-300 MKII Modeling Guitar Processor

Video thumbnail for BRAND NEW | NUX MG-300 MKII Modeling Guitar Processor by NUX

BRAND NEW | NUX MG-300 MKII Modeling Guitar Processor

NUX

NUX

Video thumbnail for NUX MG 300 MKII: detailed review by Leo Gibson

NUX MG 300 MKII: detailed review

Leo Gibson

Leo Gibson

Video thumbnail for Bangin' Tones On a Budget | NUX MG-300 MKII by Leon Todd

Bangin' Tones On a Budget | NUX MG-300 MKII

Leon Todd

Leon Todd

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about NUX MG-300 MKII Multi-effects and Modeling Processor.

Features and functionality

  • The MG-300 cannot be used with the 4-cable method due to its single input and output, limiting integration with traditional amp setups.

    Source
  • The MG-300 allows storage of up to 36 custom IR files, matching the number of editable patches available for user customization.

    Source
  • Users highlight the ability to assign the whammy pedal for octave shifts and transposing, offering flexible pitch manipulation.

    Source
  • Provides a looper, tuner, whammy, and various effects, making it versatile for experimentation beyond its entry-level price.

    Source

Use cases and applications

  • Ideal for beginners experimenting with different styles, as it offers a wide range of effects without additional cost, despite not supporting 4CM.

    Source
  • The MG-300's footswitches are designed for multi-effects control, requiring an external MIDI switch for random patch selection.

    Source
  • It’s possible to achieve dual amp/cab tones by retaining the MG-300’s simulation blocks while using a real amp, though this complicates tone adjustment.

    Source
  • Ideal for playing with backing tracks and headphones, allowing exploration of effects and amp simulators without disturbing others.

    Source

Software and compatibility

  • The MG-300 can serve as an audio interface when connected to a PC via USB, enabling reamping by routing direct guitar signals for flexible tone experimentation.

    Source
  • Quick Tone software distinguishes editable (white) from factory presets (gray), simplifying patch management and reset processes.

    Source
  • Quick Tone software facilitates easy preset swapping by saving and copying patches between slots, significantly simplifying the organization process.

    Source

Comparisons

  • Compared to the Boss GT-1000 Core, the MG-300 is seen as less optimal for pure pedal tones but more affordable as a starting multi-effects solution.

    Source
  • Some users prefer the MG-30 for reduced latency, though it's more expensive than the MG-300.

    Source

Value and pricing

  • Priced around $60 used, it is considered a budget-friendly entry point for beginners looking to explore a variety of effects.

    Source

User experience

  • Some owners report a noticeable delay when using Bluetooth speakers, affecting real-time playability.

    Source

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