ROCKET 50MM Guitar Pickup Piezo Transducer Prewired Amplifier With 6.35MM Output Jack for Acoustic Guitar Ukulele Cigar Box Guitar<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 2016 popular model.Very easy to install and sounded good through several different amps. </span></li><li><span class="a-list-item"> LARGE piezo has double stick tape mounted，works great. </span></li><li><span class="a-list-item"> Plug Dia. : 6.35mm/0.25 inch; Cable Length(Approx.) : 35cm/ 13.78 inch. </span></li><li><span class="a-list-item"> Suitable for Guitar Violin Ukulele Mandolin Banjo Cigar box Guitar. </span></li><li><span class="a-list-item"> With the advantage of being able to eliminate interfering external sounds and not be influenced by sound reflections from nearby objects. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41vqXifkyuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41rQqQQmIZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41EEEwwQMpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41yYn%2BYqBkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41CC2hNZ7kL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BPNgRVmpL.jpg" noproxy>