Music legends and studio pros agree BrownBox is the #1 sound investment! "DRAW THE LINE AT PERFECTION"


Professional recording studios, techs and musicians know that proper supply voltage is essential for optimal Tube amplifier performance. You too can NOW Capture that elusive, classic warm vintage tone with EuroVolt from BrownBox.


The basis for any signature world-class tone of course begins with talent but it also requires a consistent and dependable signal chain and for that you need to know where to begin. BrownBox provides that consistent basis,Guaranteed. Over and over BrownBox user's testify as to how their amps tone, touch and feel have finally come together providing them with improved harmonics and dynamic amp performance. Take control of your signal chain and begin building a signature world-class tone all your own. Classic Tube Amp tone begins with EuroVolt BrownBox.


BrownBox for 120V

EuroVolt for 230V