I don't know much about these speakers except that they are 8 ohm and are 10 inches in size. The  subwoofers are in great condition with minimal wear and some dust accumulation. There is also some wear on the mounting holes where the screws held them into the cabinet. I believe these are car audio speakers but I'm not sure. Shipping is USPS Ground Advantage well packed in a 17x13x9 box at a 9 lb rate calculated by distance and the label printed directly from ebay. Please message with any questions and thanks for looking.