Max Power 500 Watts Nominal Power 250 Watts Frequency Response 90Hz – 18KHz Impedance 4Ω Sensitivity 102.7dB 6.5″ High Efficiency 2-way Loudspeaker 1″ Aluminum Compression Style Tweeter Element Rated Cone Design Bi-Ribbed Treated Cloth Surround 1.5″ High Output Til Midrange Voice Protective Grill Included