Since the positive pole of the socket is not a reed, an oval ring with only two points, the contact area is much smaller than that of the socket, thereby improving the sound quality and greatly reducing the loss caused by the impedance pair and the signal.The guitar sound signal is transmitted out of the most component of the body, 't underestimate it, the replacement of the instantly improves the sound quality.You only need to solder down the old socket, replace the , and the solder on the 's own solder joints is . You only need to click the solder pen to use it.Also suitable for mono mono guitar/passive bass.color:GoldMaterial:Metal + copper coresize:3 x 1.7 x 1.49cmPackage Contents:1 x Guitar Output Only the above package content, other products are not included.Note: Light 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.