Midrange Cone Material: Reinforced Polypropylene. Midrange Basket Material: Composite ABS. Total Diameter: 9.2 x 6.4. Mounting Diameter: 8.46 x 5.79. The item "OPEN BOX Diamond Audio DMD693 6x 9 280W / 140W RMS Coaxial Speakers (pair)" is in sale since Friday, October 16, 2020.This item is in the category "Consumer Electronics\Vehicle Electronics & GPS\Car Audio\Car Speakers & Speaker Systems". The seller is "allaroundaccessories" and is located in Los Angeles, California. This item can be shipped to United States.