Diaphragm Material: MRC Honeycomb
Effective Frequency Range: 28-500 Hz
Impedance (ohms): 4
Magnet Material: Ferrite
Output Sound Pressure: 86 dB ±2 dB SPL (1 W, 1 m)
Peak Power: 1,800 W
RMS Power: 450 W
Rated power: 350 W
Surround Material: Rubber (Separated Notch)