TG-6N Standard 6.5?Size Fils OEM Cul-outs Special Blue Poly Injection Cone Non-Fatigning Butyl Rubber Surround 25mm Kapton High Temperature Voice Coil High Density Neodymium Magnet Power Handling:40 Watts RMS 120 Watts Peak Frequency Response:50-6K HZ Impedance:4 Ohms Spl:90dB