ITEM NAME:9V Power Supply 3 Band EQ Equalizer Preamp Circuit for Bass Pickup Active #gib Store Home Promotion Hot Item Add to Fav.1 Set EQ Preamp Circuit. Treble: +/- 12 db 4KHz. Jewellery & Watches. Bass: +/-12 db 40Hz. Add to Fav. Quantity: 1 Set. Condition: New. If item is defective after 3 months, you can still send it back to us.
