Dr. J Effects
Dr. J Effects is a boutique pedal series created by JOYO Audio in Shenzhen, engineered under Dee Leung’s direction to combine rigorous, musician-led testing with premium components. Named after Jimi Hendrix, the line includes highly regarded stompboxes such as the Green Crystal overdrive, Blademaster distortion, Shadow Echo delay, and Armor buffer/boost, all designed for clarity and versatility.
One-of-a-kind gear lands every week. Browse the latest arrivals while they’re still available.
Every preloved piece is serviced, repaired if needed, and tested by our techs before it goes on sale, with a warranty.