2-way 6"x9" speakers (pair) True 4 Ohm Impedance technology: speaker's 2-ohm impedance combines with speaker wire impedance for a total of 4-ohm load Compatible with virtually all factory or aftermarket car stereos Plus One woven-glass-fiber woofer cone with hi-roll rubber surround 1" rotating UniPivot, edge-driven M.M.D. dome tweeter Computer-optimized outboard crossover with tweeter level control Direct-connect crossover dongle Power handling: 110 watts RMS/330 watts peak Frequency response: 35-25,000 Hz Sensitivity: 96 dB Top-mount depth: 3-5/16"