well theres a instruction manual on ESPs japan website on what frequencys to help you out but i used alexis recommended settings,but im sorta in a daze cause ive tried to gain pot and put it to full and i cant really hear the difference but does the gain pots difference work only when the amp is at high volume levels,but back to your question stonecold the MM-04 has 4 switch pots and one gain pot or level pot,
here it is,
http://www.google.com/translate?u=ht...-8&sl=ja&tl=en
but could you explain to me the 4.0K and onwards i dont have a clue wwhat they mean haha