Gallien-Krueger, often known simply as GK, is a leading American manufacturer of bass amplifiers renowned for their punchy tone, reliability, and forward-thinking engineering. Founded in California in 1968 by Bob Gallien, the brand revolutionised bass amplification with lightweight, solid-state designs that delivered clarity, headroom, and power. GK amps, such as the 800RB and MB series, are prized for their tight low end, crisp response, and distinctive growl that cuts effortlessly through any mix. Trusted by touring professionals and studio players alike, Gallien-Krueger continues to define modern bass tone through innovation, precision, and a deep understanding of what bassists need on stage and in the studio.