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

Used Gallien-Krueger 400RB-IV Bass Amp Head in good condition, delivering 280 watts at 4 ohms of classic GK punch and clarity. Designed for powerful, clean low-end with fast transient response, this solid-state head features a 4-band active EQ, boost control, and variable contour for tonal versatility. Lightweight and road-ready, the 400RB-IV is ideal for gigging bassists seeking reliable performance in a rugged, compact package. Perfect for practice, stage, or studio use.