Alpine SXE-1726S 440W Peak (80W RMS) 6.5" SXE Series 2-Way Coaxial Speakers+Free Mobile Bracket, Tweeter TW600, Electrical Tape BT1700 , 220 watts Peak Each, 40 watts RMS Each 1" Carbon Graphite Dome Tweeters Nano Fiber cone material Impedance: 4 ohms Sensitivity: 92 dB, Absolute TW600 Mini Car Tweeter Kit 600 Watts of Power, High-Frequency Silk Dome Tweeters, 1.5" High Fidelity, Efficiency and Performance Audio System 4 ohm, Dual Mounting, Surface or Angle, Black, 1 Pair