CE Preamp Model with footswitch Created based on the preamp circuit of the BOSS CE-1 Uses TOSHIBA TA7136AP and NEC 2SC900 True bypass Power input: 9V center negative (battery not supported) Right jack: in Left jack: out Knob: Level Left switch: Up HIGH, Down LOW Case size: Equivalent to 1590A, approximately 92.5(D) x 38.5(W) x 31(H)mm Please refrain from price negotiations. Black case models are available for an additional 500 yen. If you have requests for case, LED, or knob colors, or case size, I may be able to accommodate them, so please inquire separately. #guitar #effector #TAeffects