Rockville 6x8 Front+Rear Speaker Replacement Kit For 1999-02 Lincoln Navigator

car audio speakers utilize the latest in speaker technology for superior sound quality. This means they can have a controlled break-up, which results in a smoother high frequency roll-off. The RV-A series speakers are designed with superior SPL response and extremely high power handling making these perfect for use with the amp built into your receiver or with a high powered external amplifier. Due to their shallow mount design, these speakers fit in 97% of all vehicles. CEA Rated. car audio speakers are CEA rated, what that means is that the Consumer Electronics Association recognizes these speakers to be accurately rated and meet their rigorous standards for wattage, SPL and frequency response. So while other manufacturers state out-of-this-worldwattages on their products, you can rest assured that your speaker will work up to spec. and exceed your expectations. What so special about Speakers in engineering terms. The acoustic center of a driver is the point in the driver from which the sound appears to originate. What is crucial in a good multi-element design is the difference between the centers of the drivers. This is called relative acoustic offset. A good speaker design features phase accuracy in and around the crossover point, because the interof the drivers is most affected by the SPL magnitude and phase in this area. The designs allow for wide dispersion of the sound for complete musical immersion. Model # (2) RV68. 3A+72-5600 NAVIGATOR 99-02 Features: Package Includes: (2) Pair RV68. 3A 6x83-Way Car Speakers 900 Watts/170 Watts RMS CEA Rated. (2)METRA 72-5600 Ford Speaker Wire Harness Connector RV68. 3A 6x 83-way car speakers (pair). Peak Power Rating: 900 Watts per Pair / 450 Watts Each. CEA Compliant RMS Rating: 170 Watts per Pair / 85 Watts Each. Polypropylene woofer gives amazing bass and mids. Flex Motion Butyl Rubber Surround. 1. 5PEI dome tweeter with ferrite magnet give amazing highs. 0. 6super tweeter. Steel high quality basket. Rubber magnet boot cove. Frequency response: 35-20,000 HzSensitivity: 91 dB @ 1w/1m. Impedance: 4 Ohm. Grilles included. Aluminum voice coils. 100% oxygen free copper voice coil windings. Cotton spider material. Copper terminals. Cutout diameter: 7. 36x 5. 12. Magnet: 13. 5 Oz Y25 magnet. Magnet dimensions: 90mm x 15mm. Fs: 80. 55 hz. Re: 3. 6 OHM. Qes: 1. 831. Qts: 1. 293. Qms: 4. 395. Fits 6x 8openingsCutout diameter: 7. 36x 5. 12. Top mounting depth: 2. 5295% of installs use the top mounting depth). Bottom mounting depth: 2. 87(This measures the speaker from top to bottom) METRA 72-5600 Ford Speaker Wire Harness Connector. Sold as a pair.