4” 2-WAY SPEAKER POWER HANDLING, PEAK 200WMAGNET STRUCTURE 20 OZIMPEDANCE 4 OHMFREQUENCY RESPONSE 100 Hz – 18 kHzSPL 1 WATT/1 METER 90 dBCONE MATERIAL POLY INJECTIONVOICE COIL 1” ALUMINUMTWEETER 1” POLYIMIDE DOME