Features: 

EQ piezoelectric sound pickup circuit of active preamplifier 3-band equalizer.

three B50K and two B100K potentiometers.
For Bass, treble and volume control.
Convert passive picker to active picker.
Very convenient installation and disassembly, cost-effective, is the best choice for players

Specification:
Color: As Picture
Material:Plastic, Metal
Weight: Approx. 103g

Package List: 

1 Set x Equalizing pickup