Features:
Double potentiometer design, easy to reduce noise and amplify bass.
Balance bass pickup the volume，It's a high quality signal, provide better tone control.
Complete accessories, easy to install, practical, easy to operate.
Suitable for most guitar basses, it is an ideal substitute for bass lovers
The power of the product is 12db at 85hz to 7khz.
This product can be used on piezoelectric pickups and can be used with pickups.
Item's color might be different from the picture because of the aberration.
1 Volume + 3 Tone pots with balance volume
Balance volume for pickup
Volume:Master
Bass:+/-12dB at 85Hz

Material:Plastics & Metal
Treble:+/-12dB at 7KHz

Package included:
1 x Active EQ Preamp Circuit for Bass Pickup