Product Description ● This effector is a 2-in-1 effector based on the KINGTONE HEAVY HAND with an added booster. ● KINGTONE's HEAVY HAND is an overdrive that independently replicates the quality of the DUELLIST's side B. The DUELLIST's side B is inspired by the vintage Blues Breaker and offers a wide range of drive control, allowing for use from clean boost to full drive. ● The upper toggle switch has the Style switch on the right (GLASS at the top, EDGE in the middle, STOCK at the bottom) and the Clip switch on the left (COMP at the top, OPEN in the middle, STOCK at the bottom). ● It is handmade with hand wiring on a universal circuit board. ● 9V battery use is OK. ● Please prepare a 9V center-negative adapter for power. It can withstand up to 18V. ● True bypass. ● The LED light is a 5mm high-intensity blue. ● The aluminum case size is 92 x 119 x 34 (height) mm. ● EBK is a name used only for auctions. In the main business, we specialize in blues-related amplifiers, effectors, and other equipment adjustments, production, and guitar adjustments. The number of units produced has exceeded 4000 (as of August 6, 2024), and many professional musicians use our products. ● Six-month warranty: We manage customer records, so if a failure occurs during normal use, we will compare it with the shipping records and repair it free of charge within six months. (However, you will be responsible for the shipping costs.) ※ Please refrain from returns except for initial operational defects. ※ This product is made for reference only and does not use exactly the same parts. Therefore, if you want to produce the exact same sound, we recommend purchasing the actual unit.