Active Under Saddle Piezo Pickup Onboard Preamp System for Acoustic Guitar

For Steel and Nylon String Guitars! You will need a 9 volt battery power supply Hidden within the body of the guitar Installation method for 1/4 inch jack: 1. Remove the tail button. Drill a hole diameter of 12 mm. From inside the guitar body connect a piece of string. Use the string to pull the pick-up into position through the hole. Then attach the nut. 2. Drill 3 mm holes in the side hole of the saddle. Insert the piezo electric strip through the the hole and into the saddle channel. 3. Volume/Tone Installation: Paste on the edge of the sound hole inside with the 3M adhesive.