Pyramid 6349 500 Watt Pair 6x9 Inch Car Audio 3-Way Stereo Speakers Excellent for Monitors or Surround Sound Applications 5'' Carbon Poly Long Throw Woofer with 40 ounce Magnet Structure for depth 1'' High Compliance Composite Mylar Tweeter Capacitor Crossover Network Bass Reflex Vent for Added Bass Response