DI & Signal Processors

Powered by a trio of 12AX7 tubes, the Tone King Imperial Preamp condenses the essence of Tone King’s beloved Imperial MKII amplifier into a pedalb...

The Royalist Tube Preamp Pedal distils the essence of classic British rock tone into a compact, pedalboard-ready format. Inspired by Tone King’s Ro...

The Friedman IR-X is a feature-laden guitar preamp that fits right on your pedalboard. And since it's loaded with two high-voltage 12AX7 tubes, th...

With the IR-D dual tube preamp and DI pedal, Friedman sets its sights on the perfect marriage of modern amenities and authentic tube tone. In esse...

From sublime cleans to the gnarliest of Metal tones, your performance demands the pinnacle in tonal excellence. Enter ReVolt Guitar, a forward-thi...

The bass: It’s the bedrock of any performance, demanding nothing short of tonal excellence. Enter ReVolt Bass, a forward-thinking all-analog 3-cha...

Introducing OPUS, an end-to-end tone shaping Amp Simulator and DynIR™ Engine ushering-in the next milestone-evolution of the Two notes ecosystem. ...

Driven by two glowing-hot, high-voltage 12AX7 preamp tubes, the Friedman IR-J packs the preamp section of Jake E. Lee’s signature JEL amplifiers...