... ALUMINUM MATERIAL 2. ORIGINAL RCF FRAME 3. 12", 15", 18" AVAILABLE 4. ALL THE COLOR AVAILABLE RCF STYLE SPEAKER FRAME1. ALUMINUM ... MATERIAL2. ORIGINAL RCF FRAME3. 12", 15", 18" AVAILABLE4. ALL ... THE COLOR AVAILABLE5. WE CAN PROVIDE FULL SET OF RCF SPEAKER PARTS(LIKE CONE, TERMINAL, VOICE COIL ETC.) Total Height ...