well i just got my Boss Metal Zone pedal!

and it's pretty badass!

but the thing is..
in the equalizer part
it has 4 knobs...
mid frequency

and the thing is..im not 100 percent
sure what they do?


if ones cranked high or low
what will it do?

some help?

maybe if this gets cleared up
it can help me
get the perfect metal tone
im looking for

thanks guys!
(")_(")....just cuz

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