Rockford Fosgate Prime R165X3 6.5" Coaxial Speakers

The Rockford Fosgate Prime R165X3 6.5" Coaxial Speakers are 4-ohm, 45W RMS, 52 Hz–20 kHz 3‑way coaxials designed to replace factory speakers with true Rockford Fosgate sound quality.

They feature a vacuum polypropylene cone, rubber surround, and a silk dome pole-mounted Piezo tweeter and midrange, with grilles included so they look as good as they sound.

• Integrated tweeter crossover: Internal crossover ensures the tweeter receives the appropriate high-frequency signal, reducing distortion and keeping highs clear at higher listening levels.
• Rubber surround: Durable edge seal that tolerates road vibrations and helps maintain accurate cone movement over time.
• Vacuum Polypropylene cone: Combines rigidity with light weight for cleaner midbass and reduced cone flex under dynamic playback.
• Sold in pairs: You receive two speakers, ready for a stereo front stage upgrade.
• Silk dome pole mounted Piezo tweeter and midrange: Smooth high frequencies paired with a defined midrange for a balanced, three-way presentation.
• Grilles and mounting hardware included: Keeps installation clean and protects drivers while preserving a factory-like appearance.
• Stamped steel basket: Provides a rigid, durable frame that resists deformation under cabin vibrations.
• CEA-2031 Compliant: Follows industry-standard data reporting for consistent performance expectations.
• Speaker Type: 3-Way Coax
• Nominal Impedance: 4-Ohms
• Power Handling: 45 Watts RMS / 90 Watts Max
• Frequency Response: 52 Hz – 20 kHz
• Sensitivity: 91 dB @ 1W/1M
• Midrange Size: 6.5" (nominal)
• Tweeter Size: 0.5" (12 mm)
• Midrange Mounting Depth: 2.15" (54.5 mm)
• Grille/Trim Ring Included: Yes
• Mounting Hardware: Yes

In a typical car install, this 3‑way coaxial pair delivers a complete, finished front stage with a defined midrange and smooth highs, while the low end remains usable for everyday listening thanks to the 52 Hz lower limit. The included grilles help maintain a clean look, and the durable cone, surround, and basket construction support reliable performance in daily driving conditions.