TRBandTRBXare a series ofbass guitarsdesigned and produced byYamaha.TRBoriginally launched in the early 90s as a versatile 6-string model but later has expanded into a full range of 5-string and 4-string models, whileTRBXlineup features the same body geometry and a slightly shorter 34" scale length and serves as a replacement for now discontinued RBX series.
yamaha trb