Used Gallien-Krueger Backline 600 300W Bass Amp Head

Power up your rig with this used Gallien-Krueger Backline 600 bass amp head in good condition, delivering a punchy 300W of solid-state GK tone. Featuring a 4-band active EQ, contour control, and Boost for added grit and presence, it’s easy to dial in everything from tight, modern snap to warm low-end thump. Rugged, gig-ready, and straightforward to use, it’s a dependable choice for rehearsals, recording, and live stages.