Gallien-Krueger MB-500 500 Watt Ultra Light Bass Head

Gallien-Krueger MB 500 Ultra Light 500Watt Bass Head. The MB500 offers a full 500 Watts of bass power in an unbelievably small size. Weighing in at just over 3 pounds, the MB500 re-defines portability. This incredible amp comes complete with a footswitch and a number of professional features normally only found in much larger bass heads.