The goal in developing Autotek"s line of dependable automotive speakers was to match the quality of our world-class amplifiers with "the Evolution of Power" foremost. For the enthusiast who demands excellent sonic accuracy, amazing sound quality, and great value, the AT series offers an incredible lineup of full range speakers. AT series speakers are made in the most sought-after sizes to fit right into factory speaker locations with little or no modification. They were designed for uncomplicated, easy installation with features normally found in high-end units. Technology is evident everywhere in Autotek"s full range and component speakers. Look closely for durable moisture and UV resistant rubber surrounds, rugged polypropylene cones, and high output neo-Mylar soft dome tweeters.