The MG-400 has 25 guitar amps, 25 cabinets, 4 microphones and an IR loader. The latter with a resolution of 512 samples at 48kHz. Plus it has a Bass amp with 8 cabinets, one acoustic amp and 3 acoustic-guitar IRs. The NUX Quick Tone Edit software helps you quickly select and optimise patches, making it a breeze to use.