... 4, Aluminium frame, high end Features : 1, Fiberglass cone, high efficiency 2, High-end tweeter, good sound 3, Die-casting aluminium frame , ... high-end 4, Nice T-yoke, please check ... 5, Welcome OEM order Specification : 6.5" Two-way High-end coaxial Speaker 1, Woofer : Rubber Surround , Fiberglass cone 2, ...