Clamps easily to bass bridge and removes easily - no drilling or tools needed. This transducer is a favorite for its ability to capture the full musical range of the upright bass - delicate tones to deep lows. Includes the 3000A preamp. Preferred by bassist Terry Hale (George Strait). Pickup/Transducer: Clamp-style piezo bass transducer. Preamp: 3000A Piezo Buffer Preamp with EQ. Attachable belt clip with one set of