ITEM NAME:Magnetic acoustic pickup for guitar Black K4V2 Magnetic acoustic pickup for guitar Black K4V2 Sensitive sound board, copper coil magnetic pickup Noise class A, all discrete line drivers Very stable feedback Passive / active switch Frequency response: 20 Hz to 20 KHz Color:Black Loudness control Sound control Calm atmosphere Adjustable rod piece for perfect balance and smooth threadless top Overall Class A discrete preamplifier line driver provides superior performance with no noise. The center-to-center distance between the center of the mount hole when picking up the mount is about 10.5 cm Package Content: 1 x Magnetic Pickup for Guitar 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 allowed error is +/- 1-3cm..Sensitive sound board, copper coil magnetic pickup. Passive / active switch. Adjustable rod piece for perfect balance and smooth threadless top. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.