Kicker 43DSC504 DS-Series 5.25-inch 50Watt RMS Coaxial SpeakersKicker 43DSC504 DS Series 5. 25 inch 50Watt RMS Coaxial Speakers Kickers DS Series 43DSC504 5 1 4 speakers make a great replacement for the worn out factory spakers in your vehicle. In addition to providing excellent sound, these Kickers incorporate a zero protrusion tweeter into a low profile speaker thatll fit in more vehicles than ever. A Drop In Coaxial Upgrade With The Flexibility To Fit Nearly Any Vehicles Doors For A Vast Improvement Over