Features: 4x6" Co-Axial Speaker System OEM Drop in Replacement Design Hybrid 4 Layer Paper/Wool Blend Woofer Cone Butyl Rubber Surround 10 oz. Motor Structure EFF Motor Structures (Efficient Flux Field) Rigid...

4x6" Co-Axial Speaker System OEM Drop in Replacement Design Black 2-layer Paper, DDC (Dynamic Damping Coating) Cone Double Pressed Treated Foam Surround 6 oz. Motor Structure Shallow Mounting Depth EFF Motor...