Active DI · 48V
J48
The phantom-powered active direct box that became the touring standard. Huge dynamic range, no battery to die mid-set.
View the J48 →
Direct boxes · Reamping · Signal management
For twenty-five years the red box has been on the rider, in the rack, and on the bench in Port Coquitlam where it was built. Engineered to survive the road and keep your signal honest.
Featured products
The phantom-powered active direct box that became the touring standard. Huge dynamic range, no battery to die mid-set.
View the J48 →
Send instrument-level signal hundreds of feet without noise or loss. The fix for long cable runs on big stages.
View the SGI →
A compact, road-ready interface for the players who need clean I/O and nothing they have to think about.
View TrainTrack →
The original — Reamp®
Radial owns the Reamp® trademark because the technique started here. Print a clean DI, then re-amp it later through any rig, at any volume, until the tone is exactly right. It is the secret that lives in more records than the credits will ever say.
Explore Reamping →Artist stories
The players and engineers who reach for the red box when the take has to count.
Marcus Miller
Mark Ronson
Shawn Mendes
Nathan East
“When the box has been on three tours and still measures the same as the day it shipped, you stop thinking about it. That's the whole point. It disappears and the music stays true.”
Jacquire KingProducer & mixing engineer