Quick Overview The TS-D68F 6"x8" coaxial speaker system provides low distortion and flawless performance, even in the harsh conditions and environments of your car doors. The D-Series woofer's IMPP™ cone is infused with tough aramid fibers, making it both durable and incredibly responsive for enhanced bass experiences. A coated textile dome tweeter delivers excellent high-frequency performance for accurate and detailed music playback.