Used Gallien-Krueger MB500 500W Ultralight Bass Amp Head

Powerful and portable, this used Gallien-Krueger MB500 ultralight bass amp head delivers 500 watts of punchy GK tone in a compact format, perfect for gigs and rehearsals. In good condition, it features a 4-band active EQ with contour control for quick shaping, plus a balanced XLR DI out for direct connection to a mixer or interface. Built for clean headroom and fast response, it’s a reliable grab-and-go solution for modern bassists.