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

Used Gallien-Krueger 400RB-IV bass amp head in good condition, delivering the classic GK punch and fast response for rehearsal or stage. Rated at 280 watts at 4 ohms, it features solid-state reliability, a 4-band active EQ, contour and presence voicing controls, and an effects loop for easy integration with pedals and racks. Compact and road-ready, it’s a proven workhorse for tight lows, articulate mids, and clear, cutting tone.