DUAL Piezo Transducer Instrument Pickup/Piezo Contact Microphone Guitar Horn Kalimba etc Dual Piezo Sensors can mount to different parts of the instrument for more accurate signal pickup Endpin jack with 12 inch cable works great mounted on virtually any acoustic instrument including violins, pianos, horns, harmonicas, guitars, kalimbas and even on your neck to pick up your voice!. Includes double sided tape on each sensor for easy mounting. Includes a separate 1/4 inch cable to plug right into your amp and the other end goes into the pickups endpin jack. Build construction is excellent quality by Belcat who create superb instrument accessories. I ship quickly! either same day or next business day.