Acoustic Guitar Classic EQ Guitarra EQ Preamp Concise Bass Sound Volume Control Violao Pickup1, as we know, the side of the guitar is very important for the timbre, this EQ is good for your guitar, because you only need to make one hole on the bottom side for the output jack.2, to get the perfect sound, we still use vintage ceramics pickup to get the guitar voice to the maximum.3, we prepared 2 jacks at the output end, 6.35 mono jack and XLR jack can help you handle more scene. Material: Plastic + MetalColor: BlackPackage Contents:1x3 Band Guitar Pickup Kit/1x2 Guitar Pickup KitOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.