Made with reference to the DOD Overdrive Preamp 250 GREY. Handmade. Price is firm. Black case available for an additional 500 yen. Other colors also available, please inquire. Power: 9V center negative (battery not supported) Top left knob: GAIN Bottom right knob: LEVEL Right jack: in Left jack: out Size: Equivalent to 1590A, approximately 92.5(D) x 38.5(W) x 31(H) mm If you have any requests regarding the case or LED color, or case size, I may be able to accommodate them, so please consult separately. #Guitar #Overdrive #EffectsPedal #Distortion #TAeffects