30th anniversary edition of the Million-Selling High-Gain Monster, boasting the same Dual-Stage Gain Circuit along with an eye-grabbing grayscale color scheme.

 - Iconic high-gain distortion pedal
 - Innovative dual-stage gain circuit produces thick and tight distortion sounds with smooth, singing sustain
 - Easy to achieve massive, satisfying sounds at any volume level
 - Tailor made distortion on guitar amp, slick radicalism on bass amp, (un)governable harshnoise madness on PA.
 - 3-Band EQ with semi-parametric mid provides intense sound customization with up to 15 dB boost/cut on each band
 - Controls : Level, High, Low, Mid, Mid freq, Dist
 - Compact, very robust construction
 - Limited black & gray color scheme with silver thumbscrew like vintage BOSS pedals (made in Japan until early 80s.)
 - Battery and power supply operation possible
 - Dimensions : 70 x 125 x 55 mm
 - Weight : 450 g
 - Condition : New (Box opened only once for the photo shooting)

https://www.sweetwater.com/store/detail/MT23A--boss-mt-2-3a-30th-anniversary-metal-zone-distortion-pedal