CS-Series Coaxial and 3-Way Speakers have been designed to fit nearly every make and model of vehicle, making for a manageable, drop-in audio solution that delivers acclaimed KICKER performance and durability at the most affordable price.CS Coaxial and 3-Ways provide a substantial upgrade to factory speakers. They feature drastically reduced mounting depths on woofer baskets and zero tweeter protrusion for absolutely no physical interference with factory grilles, providing drivers that fit factory locations in numerous vehicles.The CS-Series delivers remarkable performance and ultra-clean bass, utilizing a heavy-duty motor/magnet structure featuring EVCTM (Extended Voice Coil) technology not found in stock speakers. They use polypropylene cones with tough, ribbed, UV-treated surrounds for precise linear excursion and reliability. Lightweight, 13mm PEI-dome tweeters offer superb clarity and volume, helping each CS-Series Coaxial pair provide substantially high power handling and superior sound over factory drivers. Specifications:Woofers (in, cm)6x9,16x23Midranges (in, cm)2, 5.0Tweeters (in, cm)1/2, 1.3Impedance (Ohms)4Max Rec. Amp Power (watts peak)450Max Rec. Amp Power (watts RMS)150Sensitivity (dB 1w/1m)92Freq. Response (Hz)30-20kMounting Depth (in, cm)3-3/16, 8.1Mount Diameter (in, cm)5-5/8x8-7/16, 14.3x21.5Grillesyes