Providing an upgrade to the JDI, the Radial JDI Duplex is a passive stereo direct input box perfect for killing the noise high output signal sources provide. Isolated audio transformers with a high capacity for signal handling, giving you super quiet sound without phase shift or harmonic distortion. Finally, the JDI Duplex has a ton of inputs, like a 1/4" in for instruments, RCA connectors, 1/8" TRS input, as well as multiple XLR inputs for well-rounded functionality.

Product Specs

  • JDI Duplex
  • Green
  • 2010s

From the Price Guide

Reviews for the Radial JDI Duplex
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  • Built

    Verified Purchase

    This thing is beefy, quiet and sounds great. I’ve needed a passive transformer DI, and this one definitely does not disappoint.

  • superb quality, inside and out

    Verified Purchase

    I bought this JDI instead of buying a second mono JDI for stereo keyboard. Specifically, the Jensen transformer is the best sound for keyboard I have found. This DI has dual Jensen transformers. Also, if I need to run a mono system, this DI has a merge function to combine the signals into mono. …

  • My first DI box and the last I'll ever need!

    Verified Purchase

    This Box is magic nuff said