915 Generation 12-Hole Guitar Sound Hole Magnetic Transducer

Acoustic guitar with 12-hole magnetic transducer, can capture vibrations quickly.
Designed with a tone and volume controller for more accurate .
Easy to install, put into sound hole and adjust padded metal piece.
No need to drill hole and to your guitar.
Suitable for 38inch-41inch guitars with steel strings. Colour:black
Material: ABS Size:14 x 10 x 4cm Package Contents:
1 x with Controller
1 x Audio Cable Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.