System Type: 2-way Coaxial Sound Pressure Level (Sensitivity): 87dB (+- 1.5dB) Frequency Range: 33 Hz to 42 kHz Continuous Power Handling (RMS): 110 Watts Maximum Peak Power Handling: 330 Watts Nominal Impedance: 4 ohms WOOFER Diameter: 6” x 9” Cone Material: Aramid Fiber Interlaced Injection Molded Polypropylene (IMPP) Surround Material: Butyl Rubber Magnet Material: Ferrite Magnet Weight: 15.2 oz