Used 2010s Radial Engineering J-ISO Direct Box

Used 2010s Radial Engineering J-ISO Direct Box in great condition, built to eliminate ground loops and deliver clean, professional signal isolation on stage or in the studio. This passive unit features a high-quality transformer for noise-free DI performance, converting unbalanced instrument/line sources to a balanced XLR output with strong hum and buzz rejection. Rugged steel construction and straightforward input, thru, and XLR connections make it a reliable problem-solver for guitars, keys, and playback rigs.