Add to Cart Quick view Datong Electronics Model FL3 Multimode Audio Filter with Automatic Notch Like New! Datong MSRP: Now: $59.99 Was: Datong Electronics Model FL3 Multimode Audio Filter with Automatic Notch Like New! A Wall Type Power Supply and two Audio Cables are included. Check out the great reveiws on Eham at the link... MSRP: Now: $59.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $59.99 Was: Subtotal: Add to Cart