Radial J48 Stereo 2-channel Active Instrument Direct Box[custom_html] Active 48 volt Phantom powered Stereo Direct Box [ custom_html] Tone and Durability From Radial The Radial J48 Stereo is the professional active direct box you can rely on whether you're touring stages or laying down tracks for your next EP. Using the same signal path that made the original J48 a world standard on concert equipment riders, the J48 Stereo delivers two channels of input, two channels of output, and sound shaping at the