Yamaha BB434M Overview The Yamaha BB434M Black is a four-string bass guitar featuring an alder body, a maple/mahogany neck, a maple fingerboard, and YGD Custom V5 pickups. The BB434M provides bass players with a great build quality and signature sound, to inspire you to always play to the best of your potential.Built with a solid alder body, this bass guitar is powered by split-coil and singl..