Yamaha RBX170 Bass Guitar, Violin Sunburst - The Yamaha RBX170 represents a price breakthrough for the RBX range, yet the quality is everything you'd expect from a Yamaha bass. The solid agathis body - in an attractive choice of colours - shares the range s sleek, wide-cutaway contours, allowing the player easy access right to the top of the 24-fret, full-scale neck which carries a genuine rosewood fingerboard.