10 cm (4”) Coaxial 30/60 Watts RMS/MAX. SPL 85 dB, 100 Hz - 26 kHz ‡ 44 mm, Ø 94 mm The PRIME series full-range and component speakers feature legendary Rockford Fosgate sound quality while fitting into any budget. Perfect for replacing factory speakers, they feature Mica injected polypropylene cones and a Mylar balanced dome tweeter. Includes grilles so they look as good as they sound. Now more than ever, it’s easy to get Rockford Fosgate DNA into your car audio system. With all together 9 available models, the PRIME Series offers countless options and a great price-performance-ratio.