... , Fiber glss cone 4, Aluminium frame, high end Features : 1, Fiberglass cone, high efficiency 2, High-end tweeter, good sound 3, Die-casting ... , Voice coil : 1'' High Temperature ASV 5, Tweeter : 25 mm high-end silk Dome Tweeter6, Power Handling: 120 Watts Max, 60W RMS 7 ... , Impedance: 4 Ohm8, Sensitivity: 89 dB9, Frequency Response: 60Hz - 20Khz We focus on high-end speakers ...