Description: and high qualityfeature: by quite a significant margin. Why? Simply put, it just soundsgreat. It's easy to make it sound good on a variety of guitars, and installation is relatively painless-in fact, most of our customers do the installation themselves. Soundboard pickups always come with the usual caveats about feedback on loud stages, but if that's not an issue for you, thenyou really can't do much better than the Mini for good acoustic pickup tone that captures the warmth and character of your guitar.style: help you improve your guitar performInstallation instruction:1.Take the plastic film down from the back of transducer to expose the adhesive2.Place the transducer through the sound hole to the lower part of the front body where the guitar produces the best tonal response3.Drill a hole from inside the body, loosen the end-pin jack nut, insert it to the hole and tighten the nutcolour: blackMaterial: metal+plasticsize: Line length: 60cmHead length: 6cmDimension: about 27 mm(1.06 inch)Package Contents:2 x Pickup SystemOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.