Martin Junior Series instruments are slightly smaller than our full-sized instruments, but you wont have to sacrifice tone or volume, and youll gain plenty of comfort and portability. This Martin 000CJR-10E acoustic-electric cutaway bass includes a spruce top and sapele back and sides to deliver thumping Martin bass tones, whether you are unplugged or using the built-in Fishman electronics. It also includes a fast, comfortable neck so you can keep the rhythm section tight.The 000CJR-10E Bass is strung with Martin short scale bass strings that are made specifically for this instrument.