The PRIME series Component System kits are a new generation of factory replacement speaker delivering authentic Rockford Fosgate sound. The R152-S is a dedicated 2-way component system utilizing a Mica injected polypropylene cone for extended frequency response and accommodates direct OEM installation. The tweeter features a Mylar® balanced dome to reproduce crystal clear highs, an in-line crossover for simplifying installation, and accommodates flush, surface and angle mounting.