Go ahead, crank up the volume; when you boost your car's sound system by adding Xplōd™ GT Series speakers, every note will be music to your ears. The woofer cone of this 6.0" speaker is constructed of Sony-exclusive Highly Oriented Polyolefine (HOP) and reinforced with Aramid fibers for extra firmness and smooth mid-range frequencies, while the PEN tweeter delivers crystal clear high frequencies. A great upgrade to your existing car audio system, these speakers will take your mobile listening experience to the next level.