Product Description Product Specs/Additional Information Related Videos Audio Product Description Instantly Drop tune your upright bass with a quick flip of a lever! The BT11 FreeRange Xtender (pat. pend) attaches between the tailpiece and bridge of your steel string upright bass. With its impressive range, drop as low as A. Use multiple FreeRange Xtenders to instantly flip from bass to cello tuning! Product Specs/Additional Information Related Videos Audio
