Gregory Bruce Campbell

Multi-instrumentalist

"With Radial products in my signal chain, my tone is impeccably virtuous”"

Radial Gear

ProDI

Passive Direct Box

The ProDI is a passive direct box designed for use on stage or in home recording studios, with the ability to handle high output instruments without distortion, and a transformer-isolated output to eliminate noise from ground loops.

JDI

World's Finest DI

The JDI is a high performance passive direct box for live concert touring and professional studio recording applications, featuring a premium Jensen transformer for exceptional audio performance.

J48

Phantom Powered Active Direct Box

The J48 is a high performance active direct box for live concert touring and professional recording studio applications, with the ability to handle extreme transients without distortion while delivering the natural sound of your instrument.

Twin-City

Active ABY Amp Switcher

The Twin-City is an active ABY switcher that toggles or combines two guitar amplifiers in phase and without noise, with a class-A input buffer to drive both amps without any loss of gain.

Key-Largo

Keyboard Mixer, USB Interface and Performance Pedal

The Key-Largo is a unique and powerful device that combines a multi-channel keyboard mixer with the performance attributes of real-time footswitch control!

EXTC-Stereo

Guitar Effects Interface

The EXTC Stereo allows you to connect guitar effects pedals to the inputs and outputs of pro audio equipment such as recording interfaces and mixing consoles, so you can incorporate stereo pedals into your recordings and explore new creative possibilities.