The Radial JDI is considered by many to be the worldﾒs finest direct box. It is a passive DI that employs a Jensen isolation transformer for optimum audio performance offering outstanding linearity at all frequencies, combined with extraordinary level handling without introducing distortion. Now Radial makes their signature quality available in a 2-channel version!

Radial JDI Duplex 2-channel DI Box at a Glance:

Two Independent Channels, Each with Jensen Transformer
Completely Passive Design Eliminates Ground Loops
Great for Guitars, Keyboards, and High-output Instruments

Two Independent Channels, Each with Jensen TransformerThe JDI Duplex features two independent JDI channels, each with its own Jensen transformer and circuitry. The 2-channel stereo format is particularly suited for stereo instruments such as keyboards, drum machines and consumer audio electronics Each channel features -15 dB pad, stereo to mono merge, 180-degree polarity reverse and ground lift.

Completely Passive Design Eliminates Ground LoopsBeing completely passive, the plug & play JDI Duplex does not require any power source and has the unique advantage of eliminating 60-cycle ground loops. This makes the JDI Duplex a definite favorite with informed audio engineers.

Great for Guitars, Keyboards, and High-output InstrumentsThe JDI Duplex is great for guitars, bass, and keyboards and is particularly adept with high-output, broadband instruments such as active instruments and digital keyboards. The JDI Duplex may be rack-mounted using the J-Rak and is also available in a stereo (2-channel) version called the JDI Duplex and the 6-channel rack-mountable JD6.