Powerbass S6C 6.5-Inch Component Speakers Pure Silk Dome 1" Tweeter; Black 2-layer Paper, DDC Cone Dynamic Damping Coating (DDC); Double Pressed Treated Foam Surround UV Protected; Shallow Mounting Depth EFF Motor Structures (Efficient Flux Field); Rigid Tooled Basket With Flat Black Finish Computer Aided External 12dB 2-way Crossover Network