Kenwood KFC-1664S 6-1/2" 3-Way Sport Series Coaxial Car Speakers, 180W: * Speaker size: 6-1/2" * Woofer size: 6-1/2" * Power handling capacity: 180W * Speaker cone material: polypropylene * Tweeter type: soft dome * Woofer diaphragm: injection P.P. cone * Surround: cloth * Basket: steel with a black finish * Magnet: ferrite * Mid-range diaphragm: P.E.I. balanced dome * Tweeter size: 1/2" * Tweeter diaphragm: ceramic * Frequency response: 35-22,000 Hz * Dimensions: 2-1/8"L x 6-3/16"W x 6-3/16"H * Model# KFC-1664S