DB Bass Inferno BI65C 6.5" Component Speakers: * 300W max power * 6.5" silver poly-injected cone woofer for rich bass response with butyl rubber surround * 1 dome component tweeter * Frequency Response: 40Hz-22KHz * Nominal Impedance: 4 ohms * Speaker Sensitivity: 92 dB * Includes 12 dB per octave passive crossover