Cone: Polypropylene

Commonly called just PP, this plastic has various forms. It is a resilient and durable manufactured material that can be used in thousands of applications across virtually all fields. It can be used for tubes, car trims, and bags. In the specific case of our cones, this material allows for maximum give that produces great sounding speakers lasting you a long time.

Surround: Butyl Rubber

Butyl Rubber is a synthetic (man made) rubber and is valued for its chemical inertness, impermeability to air and the ability to endure or resist exposure to the many types of weather fronts. Butyl rubber has many different applications. Anywhere from Sports equipment to automotive parts, the medical industry and more. We use them for the Surrounds that connect the cone to the basket.

Voice Coil: High Temperature

Our speakers are capable of higher or elevated temperature strength and fatigue properties that will increase performance and efficiency of heavy duty play time through lower weight and higher operating temperatures.