Boss Audio Audio CHAOS EXXTREME 200-Watt 5.25" 3-Way Car Speakers, Pair: * Size: 5.25" * Frequency response: 100 hZ to 18 khZ * Total power: 200 watts * SPL (1 watt/1 meter): 90 dB * Voice coil material: aluminum * Basket structure: stamped * Cone material: poly injection * Number of magnets: 1 * Number of tweeters: 1 * Midrange: size: 1"; material: polyimide cone * Tweeter 1: size: 0.5"; material: piezo * Dimensions: 2.5"L x 5.25"W x 5.25"H * Mounting hole depth: 2" * Quantity in the box: 2