Kicker 43DSC6704 DS Series 6.75" 16.5cm 2 Way Car Door Coaxial Speakers 60w RMSKicker 43DSC6704 DS Series 6 3 4" 2 way car speakers A drop in coaxial upgrade with the flexibility to fit nearly any vehicles doors for a vast improvement over factory sound. The DS 6 3 4 Inch Coaxial Speakers are a perfect upgrade for great sound in your car doors. Using zero protrusion PEI tweeters ensures you get every bit of clarity you need, without interfering with factory grilles. Paired with a DX amplifier, the sound becomes more powerful,