These great little powered pre-amp units include all of the parts you need to add a pickup to your acoustic or cigar box guitar. Four bands plus volume control, including 2.5mm plug connection cable, easy to use and install, suitable for acoustic guitar. Package include: 1*4-Band Equalizer, 1* Guitar Endpin Jack, 1* Metal Washer, 1* Sticky Plate , 1 * Screw Cap, 4 * Screws, 1* Cable Tie.

Specifications:
Material: Plastic
Color: Black
Presence Control: 12Db At 8Khz.
Bass Control: 12Db At 600Hz.
Middle Control:12Db At 600Hz.
Treble Control: 12Db At 2.2Khz.
Input Impedance: 10Mo.
Frequency Response: 20Hz - 20Khz.
Power: 9V Alkaline Battery (Included).
Pickup Dimensions: 10.5(L) X 4.7 (W) X 6(H)Cm.
Weight: 87g