They say:

For over 25 years, the MT-2 Metal Zone has been one of the most popular and influential compact pedals in the BOSS lineup, with overall sales that are second only to the venerable DS-1 Distortion. Made in Japan and infused with Waza Craft mojo, the MT-2W takes the iconic stomp to new levels of tonal range and versatility. Standard mode delivers an evolved version of the original mid-focused Metal Zone tone, while Custom mode introduces a fresh, wide-ranging voice that’s perfectly suited for today’s diverse high-gain styles.