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

This used Gallien-Krueger 400RB-IV bass amp head delivers 280 watts at 4 ohms, providing punchy, dynamic tone ideal for gigging and studio work. Known for its classic GK growl, it features a 4-band active EQ, boost control, and a DI output for flexible connectivity. In great condition, this reliable solid-state head offers legendary performance and durable build quality, making it a trusted choice for bassists seeking power, clarity, and road-tested reliability.