Specifically Designed for Cello Clamp-on Pickup, No Drilling Includes 3000A Preamp/EQ Designed for miking the acoustic cello without permanently installing a transducer. Clamps easily to cello 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 cello - delicate tones to deep lows. Includes the 3000A preamp. Clamp-style pickup can be easily attached to or removed from any standard-type bridge. No drilling or tools needed Equally responsive to delicate high tones and deep lows Delivers a full musical range of cellos Included: - Pickup/Transducer: Clip-on piezo cello transducer- Preamp: 3000A Piezo Buffer Preamp with EQ- One set of rubber feet (4 each)- Attachable belt clip with one set of "dual lock" attachment strips- Velcro strap- Black metal strap-mounting bracket with one set of adhesives- Installation instructions3000A Preamp Specifically designed to work with all Barcus-Berry piezo crystal systems. Features external bass, treble and volume controls to allow a wide range of adjustment. Includes a belt clip for unrestricted movement. Cable Specifications Input (EQ) Flat Input Interface: RCA unbalanced Input Impedance: 2.2 Meg Ohms Maximum Input Level: 2.0 vrms Output (EQ Flat, Volume Max) Interface: 1/4" unbalanced Impedance: 2K Ohms THD: .008% @ 1kHz Noise: -92dBu S/N: 100dB Bass: +/- 12dB @ 50Hz Treble: +/- 12dB @ 10kHz Frequency Response: 5 Hz - 30kHz (+/- 1 dB) Power Source: 9 volts @ 380 microamps Battery Life: Approximately 1,000 hours