Used Gallien-Krueger 400RB-IV 280W Bass Amp Head

The Gallien-Krueger 400RB-IV Bass Amp Head delivers 280 watts at 4 ohms, known for its punchy tone and solid reliability. This used unit is in Good condition with minor cosmetic wear, offering GK’s signature voicing filters, 4-band active EQ, and boost control for added warmth and growl. A classic choice for gigging bassists, it provides consistent performance and portability in a rugged design that’s built to last.