Used Gallien-Krueger MB Fusion 500W Bass Amp Head

Used Gallien-Krueger MB Fusion 500 bass amp head in good condition, delivering the signature GK punch with warm tube-driven character. This compact hybrid design features a 3x 12AX7 preamp and a 500W Class D power section (up to 350W at 8Ω), plus a 4-band active EQ, switchable channels, effects loop, XLR DI out, and a tuner out—ideal for gigging players who want big tone in a lightweight rig.