http://godlyke.com/maxon-guitar-effects/maxon-nine-series-effects/super-metal
Guitarist Borislav Mitic performing live using the Maxon SM-9 Pro+ Super Metal.
Based on the cult-classic Super Metal pedal from the 1980's, the new Maxon SM-9 Pro+ packs sufficient firepower to accurately reproduce all the tonal evolutions of metal music over the past 30 years.
The Maxon SM-9 Pro+ can create an almost limitless variety of high-gain guitar sounds, from classic 70's Plexi tones through the "scooped midrange" made famous by the 1980's thrash pioneers, and on to the huge low-end needed for the extended tunings of today's extreme metal