Product Description ● This is an overdrive pedal that modifies the cmatmods Brownie, which simulates Van Halen's brown sound. ● In addition to the standard DRIVE, TONE, and VOLUME controls, it features a contour knob to adjust the mid-range presence, and a knob to adjust the voltage applied to the internal transistors. This allows you to change the distortion texture from a fuzz-like coarse grain to a brown sound-like fine grain. ● Hand-wired on a universal board. ● 9V battery operation is OK. ● A 9V center-negative adapter can be used for power. ● Uses a φ5mm high-brightness blue LED. ● True bypass. ● Aluminum case size is 60 x 112 x 31 (height) mm. ● EBK is a name used only for auctions. In its main business, it specializes in blues-related equipment, such as amplifiers and effectors, and also provides adjustments, production, and guitar adjustments. The number of units produced has exceeded 4000 (as of August 6, 2024), and many professional musicians use them. ● 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.) ● Price includes shipping. ※ Please refrain from returns except for initial operational defects. ※ This is a product made for reference only, and does not use the exact same parts. Therefore, if you want to produce the exact same sound, we recommend purchasing the actual unit. We also have vacuum tube amplifiers and effectors for sale, so please take a look. ● Please note that we do not offer discounts.