The NUX MG-300 MKII is a compact yet powerful modeling processor that combines high-end amp modeling with a full suite of essential effects. Powered by NUX's TSAC-HD white-box algorithm, it delivers ultra-realistic tube amp dynamics and playability. With 36 built-in Impulse Responses and 24 user-loadable slots, a customizable signal chain, pro-level scene switching, and expanded I/O including USB-C and TRRS for streaming, the MG-300 MKII is an ideal all-in-one solution for recording, live performance, and home practice, without compromising on tone or flexibility.


Features

- TSAC-HD (white-box) amp modeling for authentic tube amp feel
- 36 built-in IRs and 24 user-loadable slots for custom cabinet tones
- Extensive effects library: OD, reverb, delay, modulation, EQ, and more
- Phrase looper (60s stereo / 120s mono) and drum machine with auto tempo detection
- USB-C audio interface and TRRS out for live streaming and recording
- Pro Scene Selection: 3 scenes per preset for live flexibility
- Fully customizable footswitch setup and signal block routing
- Includes QuickTone editor software for detailed tone editing


Other specifications

- Sampling frequency: 48kHz
- AD converter: 32-bit
- Frequency response: 20Hz–20kHz (+1dB)
- THD+N: <1%
- Dynamic range: 106dB
- Input/output level: +8dBu
- Power: DC 9V
- Expression pedal with physical toe switch
- Supports USB loopback, reamp, and dry out modes via USB-C