• Fuzz Switch—Turns the Fuzz effect on-off.
• Wah—Turns the Wah effect on-off.
• Input Jack—Plug your guitar (or other audio source) in here. Un-plug the input plug from this jack to turn off the device and save power (very important) when not in use.
• Output Jack—Connect to the input of your amplifier (or other audio device).
• 9V Battery—Open the battery compartment on the bottom of the unit by removing the thumb screw. Use alkaline batteries.
• DC Input Jack—Plug in a AC- 9V DC adaptor (Not Included, see specifications) into this jack to eliminate the need for batteries.