Carbon Fibre Speaker Cone 1. 4", 5", 6", 6.5", 8", 10", 12", 15" 2. rubber surround, foam surround 3. yellow,blue,black color Carbon Fibre Speaker Cone speaker parts ... , speaker cone, carbon fibre cone carbon fibre speaker cone1. 4", 5", 6", 6.5", 8", 10", 12 ...