Kicker 43DSC3504 3-1/2-Inch 3.5-Inch 30W 2-Way Speakers DSC35 DS35 Coax (Pair) UV-treated foam surround for longevity when mounted in sun a soaked dash Extended voice coil technology for the best sonic quality High sensitivity design for more output when used with stock receivers Minimal tweeter protrusion Thin mounting profile for tight window mechanism clearances