2004-2007 Chevrolet Colorado 6.5-Inch Front & Rear Door SpeakersRetroSound Premium Stereo Speakers provide the absolute best audio quality possible in your classic car or truck. For high power handling with an ultra thin mounting depth, a Neodymium magnet structure is used with a dip cut design to prevent distortion. The Santoprene surrounds provide the most accurate audio reproduction possible, and the silk tweeters produce smooth and more natural sounding highs. Includes Speaker Grills 6. 5 inch stereo speakers