Pyramid 4680GX 4-Inch x 6-Inch 200 Watts ThreeWay Bronze P.P. Cone Speakers 4 x 6 Bronze Poly Coated Woofer Cone 40 oz. Magnet Structure 1 High Temperature Ferro Fluid Enhanced Aluminum Voice Coil 1.75 Aluminum Film Midrange 1 Piezo High Frequency Tweeter