Metal Gate. It's great for metal style drop D tunning it's all have 4
knobs control give you "ton of brick" sounds toggle switch
use with scoop/boost mid let you control the sound of metal.
Mosfet clipping with silicon diode to compress out gain sound great
for the guitarist who likes style of metal.
GAIN: Adjust Gain control
BASS: Adjust Bass
HI: Adjust Hi-Mid frequency
LEVEL: Adjust Output
Toggle Switch: Scoop/Boost Mid frequency
Supply Voltage Range: 9 -12V DC, 15mA