Used Gallien-Krueger 400RB Bass Amp Head

Looking for punchy tone and legendary reliability? This used Gallien-Krueger 400RB bass amp head delivers classic solid-state power in a road-tested package. In good condition, this workhorse provides 200 watts at 4 ohms and features a 4-band active EQ, adjustable contour, and built-in boost circuit for dynamic tonal shaping. Known for its tight low end and articulate mids, the 400RB is ideal for players seeking a no-nonsense amp with proven stage and studio performance. It includes a single speaker output, XLR direct out, and cooling fan for dependable operation. Whether you're gigging or recording, this amp head brings the punch and clarity GK is famous for, all at a great value.