NUX MG-400 Modeling Guitar & Bass ProcessorNUX MG 400 with power supply & manual (Mint condition!) Best Value Modeler The NUX MG 400 is a value packed modeler akin to his little brother, the MG 300. MG 400 houses 2 powerful DSP chips for high definition White Box Amp Modeling algorithm (TS AC HD) and Core Image post effects. Since releasing the MG 300, people have been blown away by the sound and playability, not to mention the ease of use tone tweaking and intuitive interface. And now, the MG