LS51KT - American  Series 2 - 240 Watt 5.25" 2 Way Component Car Audio Speaker Kit 2 Drivers / 2 Crossovers / 2 Tweeters Poly Cone / Rubber Surround / 4 Ohms 1" Neodymium Tweeter Mounting Depth 1.88" 60Hz - 20kHz