JBL PRX 712 / 715/718 REPAIR SERVICE . Condition is Seller refurbished. You need to send your defective unit for repair Shipped with USPS Parcel Select Ground. IMPORTANT: the handling time is 10 days since the buyer needs to send the part first so that I can repair it and send it back, in reality most of the time I will complete the repair and send it back within  1-2 days of the buyer sending the part to me.