Artec Brand ASE-N 4 Band Notch EQ For Lower-bout It features four band equalizer - Bass, Middle, Treble Presence - with Notch filter function, Master volume and Low Battery check LED. Using metal case could eliminate the noise and the slim body case could be fit in any size of guitars. The features: -Bass,Middle,Treble Controls -Presence -Master Volume -Low Battery check LED -Piezo input jack -Magnetic input jack ASE-N is an advanced variation of ASE 4 with Notch filter switch 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. Shipment: 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.