Founded in 2005 by renowned audio designer Paul Wolff, Tonelux is an American professional audio manufacturer known for its innovative analogue designs, modular architecture, and distinctive sonic character. Drawing on Wolff's extensive experience with API and professional recording consoles, Tonelux was created to offer compact, flexible recording solutions without compromising sound quality. The company developed a reputation for its microphone preamps, equalizers, compressors, summing mixers, and modular 500 Series processors, alongside products such as the 1628 console and VRack system. Now based in Gardena, California, and part of PMI Audio Group, Tonelux continues to deliver professional analogue equipment that combines classic warmth, modern versatility, and intuitive hands-on control.