ITEM NAME:9V Power Supply 3 Band EQ Equalizer Preamp Circuit for Bass Pickup Active Product Description Description:.Included: 1 Set EQ Preamp Circuit. Treble: +/- 12 db 4KHz. Bass: +/-12 db 40Hz. Quantity: 1 Set. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.
