Used 2020s Gallien-Krueger MB Fusion 500W Bass Amp Head

Powerful and portable, this used 2020s Gallien-Krueger MB Fusion bass amp head delivers 500 watts of punchy GK tone in a lightweight design, and it’s in great condition. The hybrid preamp uses three 12AX7 tubes for warm, responsive drive, paired with a fast solid-state power section for tight lows and clear highs. Features include a 4-band active EQ, contour, master volume, and balanced DI out—ideal for stage or studio.