Electric bass line BAND EQUALIZER BASS MIDDLE TREBLE EQUALIZER FOR BASSES SE3-A Product description SE3-A features SE3 with a Concentric Potentiometer, which is Bass and Treble bands are on one pot and mounted on SMT PCB. Application :Electric Basses, Electric guitars Piezo pickup equipped instruments. Technical Specifications : Bass : +/-12 dB at 80 Hz, Middle : +/-12 dB at 800 Hz Treble : +/-12 dB at 4 kHz, Balance : MN500K Potentiometer Current : 0.32 mA Voltage range : 6 V ~ 22 V Battery : 9 V Alkaline Payment: We only accept Paypal. Shipping: Once payment has been confirmed, your item will be shipped within 2-3 business days.After the packages are shipped, the seller will provide the tracking number to the buyer. Normally it takes about 7-15days to arrive. Shippment: If you can are from South American or other, Pls contact to us . Once payment has been confirmed, your item will be shipped within 2-3 business days.After the packages are shipped, the seller will provide the tracking number to the buyer. Normally it takes about 3-8days to arrive. Terms of Sale: If you are not happy with any item, please contact us within 14 days of receipt so that we can arrange for an exchange or refund. After getting the returned item,we will refund the customer at the item?s price.You will pay a 25% restocking fee. Contact us : We are always willing to help and if you need any advice pls feel free to email. Electric Bass Line Band Equalizer and Treble Balance Control And Master Volu