・BASS: Adjusts the low-end response of distortion sound.

・TREBLE: Adjusts the high-end response of distortion sound.

・PRESENCE: Adjusts the ultra-high-end frequency of distortion sound.

・TIGHT: Shapes the low-frequency content. ( Turn it down to tighten the sound.)

・VOLUME1: Adjusts the output level while in Channel1.

・GAIN1: Adjusts the distortion situation of the sound while in Channel1.

・VOLUME2: Adjusts the output level while in Channel2.

・GAIN2: Adjusts the distortion range of the sound while in Channel2.

・1/2 Foot-switch: Chooses the current Channel for 1 or 2.

・ON Foot-switch: Engages or disengages the distortion sound.

・INPUT: Connects with your guitar or the signal from the guitar side. ・OUTPUT: Connects with the amplifier or to the amp side. ・EXT. SW: Connects with TRS dual foot-switches to replace the 2 foot-switches function on the pedal. ・BF/TB Toggle Switch: BF means Buffer-bypass, TB means True-bypass. ・18V / 9V Toggle Switch: The pedal uses 9V power, you can choose an 18V position to double the working voltage inside to get a wider dynamic range. ・DC Jack: Connects with 9V Negative Tip power with 100ma adaptor.