The Prime R165-S is a 6.5" 2-way component system rated at 40 watts RMS for a new generation of factory replacement speakers. Kit includes two woofers with grilles, two tweeters with integrated crossovers and mounting hardware. Klippel Verified Klippel is a speaker certification program allowing us to deliver the best possible speakers. CEA-2031 Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. The Prime Series Component System is a new generation of factory replacement speaker delivering authentic Rockford Fosgate sound. The R165-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. | Speaker Size 6.5" Design 2-Way Tweeter Design 1/2" Dome Impedance (Ohms) 4 Tweeter Composition Mylar Woofer Composition Mica-Injected Polypropylene Woofer Surround Foam Sensitivity (dB) 89dB Frequency Response (Hz) 60-20k Hz RMS Power Rating (Watts) 40 Peak Power Rating (Watts) 80 Top-mount Depth (Inches) 2 1/8 Bottom-mount Depth (inches) 2 1/8 Cutout Diameter (inches) 4 7/8 Grilles Included Yes Warranty 1-Year