Sony Xplod XSR4644 4" x 6" 4-Way 260W Pair of Coaxial Speakers (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty 4" x 6" 4-Way Xplod Series Coaxial Car Speakers HOP (Highly Oriented Polyolefin) Woofer Cone High Energy Ferrite and Neodymium magnets 1-7/16" PEN (Polyethylene Napthalate) mid-range for great linearity and smooth response with low distortion