Kicker DSC650 DS Series 6.5" 4-Ohm Coaxial Speakers - PairThe DS 6 1 2 Inch Coaxial Speakers are the ideal upgrade for your car doors. Using zero protrusion PEI tweeters ensures you get every bit of clarity you need, without interfering with factory grilles. A stamped steel framework supports a ribbed, UV treated foam surround and rigid polypropylene cone with EVC (Extended Voice Coil) technology, for the best sonic quality. These DS speakers work best with 60 watts of recommended power.