Description
Package Includes 1 set of 2 band bass pickup preamp circuit and 1Pcs 9v battery holder..Volume B50K; Pickup MN250K.Bass:±12dB at 85Hz ; Treble:±12dB at 7KHz.High quality bass preamp, bass guitar tone controls for active pickups..Note: The wiring diagram is not included,please consult your local luthiers if you don't know how to install the circuit.