Active Passive Preamp for Bass Guitar with 3 Band Equalizers

Active preamp guitar pickups with 3 band active equalizers preamp circuit and tone control features: - Brand new B50K preamp circuit with MN250K pickup - Bass: +/- 10dB at 30Hz with B50K control - Treble: +/- 10dB at 6KHz with B50K control - P1 to be connected to neck pickup positive terminal - P2 to be connected to bridge pickup positive terminal - Both pickups should share a common negative terminal - Avoid using cheap factory circuits

Please seek assistance from a professional luthier if you are unsure about installing the preamp circuit.

Specifications: - Material: Metal, Plastic - Color: As shown in the picture - Weight: 80g - Size: 4.0x3.07x1.1cm (For more details, refer to the photo) - Package includes: 2 Bass pickups, 1 Bass control plate

Note: - Please allow a 1-2cm error due to manual measurement. - The actual color of the item may vary from the picture shown on different monitors. Thank you!

product information: