["50mm Guitar Pickup Piezo Transducer Prewired Amplifier with 6.35mm Output Jack for Acoustic Guitar Ukulele Cigar Box\n\nFeatures:\nbrand new and high quality.\n▶The sound pickup is high-quality 50mm Piezoelectric ceramic disc transducer, very easy to install and sounded good through several different amps.\n▶With the advantage of being able to eliminate interfering external sounds and not be influenced by sound reflections from nearby objects.\n▶It is very large and can collect a wider range of sound in for case you are not sure where are the best parts of the sounds.\n▶This is a pre-wired, pre-soldered piezo and jack harness which make it easy for you. All you have to do is to attach the piezo in or on your build, drill a hole and mount the jack. Then you're done!\n▶Fit for most string music instruments such as Guitar Mandolin Cigar box Guitar Violin Ukulele Banjo, etc.\n\nInstallation instruction:\n1. Take the plastic film down from the back of transducer to expose the adhesive.\n2. Place the transducer through the sound hole to the lower part of the front body where the guitar produces the best tonal response.\n3. Drill a hole from inside the body, loosen the end-pin jack nut, insert it to the hole and tighten the nut.\nThe above procedures for depend on different instruments.\n\nSpecification:\nColor: gold\nMaterial: metal\nCable long: approx 42cm/16.5 inch\nPlug Dia: approx 6.35mm/0.25 inch\n\nNote:\nTransition: 1cm=10mm=0.39inch\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 × Disc Piezo Pickup"]