The Radial Pro DI is a passive direct box designed to handle extreme signal levels without distortion of any kind. At the heart, the Radial Pro DI employs the world class Jensen transformers delivering a smooth, warm sounding Bessel curve, reminiscent of the finest vintage gear. Ruler flat from 10Hz to 40kHz and with virtually zero phase deviation, the Pro DI delivers the natural, pure sound of the instrument without additional artifacts.
By its no-power passive design, the Radial Pro DI performs both high-to-low impedance conversion and signal balancing over a magnetic bridge that passes signal while rejecting stray DC voltage. This makes the Pro DI particularly adept at eliminating hum and buzz caused by ground loops.