CERWIN VEGA H452  5.25 Inch HED Series 2-way Coaxial Car Speakers * Stamped Steel Vented Air Flow Basket Frame * Mica-injected Reinforced Polypropylene Cone with Oversized Rubber Surround, Mica injected Polypropylene Cone. * Linear Woven Treated Red Spider,Sensitivity: 93dB. * Black Anodized Metal Dome with Mesh Tweeter Grill,Frequency Response: 55-18,000 Hz. * Power Handling: 300 Watts Max, 4 ohms impedance