Kicker 43DSC6804 5x7/6x8 400 Watt 2-Way Coaxial Car Audio Speakers DS DSC68DS Series 6x8" Coax A drop in coaxial upgrade with the flexibility to fit nearly any vehicles doors for a vast improvement over factory sound. DS Series 6x8" Coax The DS 6x8 Inch Coaxial Speakers are the upgrade you need for great sound in your doors. A ribbed, UV treated foam surround and rigid polypropylene cone with EVC (Extended Voice Coil) technology give you the best sonic quality and the deepest bass in a full range speaker. These DS speakers