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
Mounting Depth/Chassis Depth: 3";