Used Radial Engineering JDI DUPLEX MK4 STEREO DI Direct Box

Used Radial Engineering JDI Duplex MK4 Stereo DI in Fair condition—an industry-standard, passive 2-channel direct box built for clean, reliable signal splitting on stage or in the studio. Featuring premium Jensen transformers, it delivers warm, natural tone with excellent isolation and low noise. Two 1/4" inputs and two balanced XLR outputs handle stereo keys, playback rigs, and guitars with ease, with ground lift and pad controls for quick problem-solving in demanding setups.