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

Power your tone with this used Gallien-Krueger 400RB-IV bass amp head in good condition, delivering the fast, punchy GK sound that’s a staple on stages and in studios. Rated at 280 watts at 4 ohms, it offers a responsive solid-state preamp, 4-band active EQ with voicing filters, and the signature Boost control for growl and dynamics. Compact, road-ready, and loud for its size, it’s an easy choice for dependable gigging power.