2X 2 Band Active Bass Guitar EQ Equalizer Preamp Circuit Pickup Black

100% Brand new,never used
1 Volume + 3 Tone pots with balance volume
Balance volume for pickup
Volume: Master
Bass: +/-12dB at 85Hz

Treble: +/-12dB at 7KHz
material: ABS
color: black
To Fit Guitar: Bass Guitar

Package included:
2 * pickup main part
8 * potentiometer gasket
8 * potentiometer nut
2 * jack gasket
2 * jack nut
2 * battery box
4 * screw

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.