Very easy to install and sounded good through several different amps.
Plug Dia. : 6.35mm/0.25 inch; Cable Length(.) : 35cm/ 13.78 inch.
Suitable for Guitar Violin Ukulele Mandolin Banjo box Guitar.
With the advantage of being to eliminate interfering external sounds and not be influenced by sound reflections from nearby objects.
Material:Metal

COLOR:black
The sound pickup is high-quality 27mm Piezoelectric ceramic disc transducer
It is very large and can collect a range of sound in case you are not sure where are the best parts of the sounds.
This is a pre-wired, pre-soldered piezo and jack harness which easy . 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!
Fit for most string music instruments such as Guitar Mandolin box Guitar Violin Ukulele Banjo, etc.
Installation instruction:
1 Take the plastic film down from the back of transducer to expose the adhesive
2 Place the transducer through the sound hole to the lower part of the front body where the guitar produces the best response
3 Drill a hole from inside the body, loosen -pin jack nut, insert it to the hole and tighten the nut
The above procedures depend on different instruments.
Cable long : 32cm
Plug Dia: 6.35mm/0.25 inch
Package included:
2x pickup
8x gasket
2x knob