Kicker 43DSC6704 DS Series are 6.75 inch 2-way coaxial car speakers designed to replace factory drivers with efficient, reliable performance. They feature polypropylene woofers for clean mids and bass paired with 13 mm PEI tweeters for clear highs.The shallow mounting depth helps in tight door locations, and the 4 ohm impedance works with factory or aftermarket head units and amplifiers. Standard speaker terminals and included hardware support straightforward installation in compatible openings.