Hifonics Zeus 4 X 6" Coaxial Speaker  250 Watts Maxx

RMS Power Handling: 40 Watts
Maxx Power: 250 Watts
Speaker Impedance: 4 Ohms
Frequency Response +/- 3dB: 55Hz-19kHz
Sensitivity (1 watt/1 meter): 88 db
Crossover Point: 6 khz
Crossover Slope: 12dB
Rubber Surrounds
Alpha-Cellulose Poly Woofer Cones
Mylar Dome Tweeters
Anti-Resonant Stamped Steel Basket
Pure Copper Voice Coils
Mounting Depth/Chassis Depth: 3&quote;
Grills NOT Included