This piezo-ceramic pickup mounts in the wing slot of the violin bridge with Fishman's patented Floating Mounting System. Lightweight to minimize muting, it includes a mini jack which mounts to the tailpiece. A 10 ft. 1/8 in. to 1/4 in. cable is included. An impedance-matching preamp is recommended, but not required.Easy installation with no alteration!Acoustic Instrument PickupsThe Fishman revolution got its start with acoustic instrument pickups. Larry Fishman's first product to market was the BP-100 acoustic bass pickup, which was created to solve his own personal amplification needs as a jazz bassist. Larry's drive to make himself heard while retaining an incredible tone carries over in Fishman products for the violin family, banjo, mandolin, harp/piano and more.