fits model: Marquis, Grand. make: Ford. year: 2003–2011.

( Manufacturer Part Number: 6W7T-18C804-AA ), ( Part Type: Speaker Amplifier )
The Ford 6W7T-18C804-AA rear speaker amplifier subwoofer is a high-performance audio component designed specifically for the Marquis model years 2003 to 2011. This amplifier is an essential upgrade for music lovers seeking to enhance their in-car listening experience.
This powerful amplifier is capable of delivering a substantial 18 watts RMS (Root Mean Square) power to each of the two rear channels. The continuous power rating ensures that the subwoofer receives a steady power supply, allowing it to produce consistent and high-quality sound.
The Ford 6W7T-18C804-AA amplifier is a Class AB design, which means it efficiently combines the advantages of both Class A and Class B amplifier designs. It offers the power efficiency and thermal stability of Class B, along with the linearity and low distortion of Class A.
This amplifier features a compact and sleek design, making it an ideal fit for the confined spaces of a vehicle. Measuring approximately 10.2 inches long, 6.1 inches wide, and 2.3 inches high, it can easily be installed in the trunk or under the rear seats.
The amplifier's high-level input design allows it to be connected directly to the vehicle's factory speaker wires, bypassing the need for an external speaker level controller. This simplifies the installation process and ensures a seamless integration with the existing audio system.
The Ford 6W7T-18C804-AA amplifier is engineered to provide reliable and consistent performance. It boasts a frequency response of 20 Hz to 20,000 Hz, ensuring that it can handle both the deep, rumbling bass notes and the crisp, high-frequency sounds with equal ease.
The amplifier's thermal management system includes a cooling fan, which automatically turns on when the internal temperature reaches a certain threshold. This ensures that the amplifier remains cool and stable, even during long periods of continuous use.
This Ford amplifier is built to meet or exceed the stringent Ford Motor Company specifications for sound quality, reliability, and durability. It is engineered using high-quality components and rigorously tested to ensure that it delivers the best possible audio performance.
In summary, the Ford 6W7T-18C804-AA rear speaker amplifier subwoofer is an excellent choice for Marquis owners looking to upgrade their in-car audio system. Its powerful 18-watt output per channel, Class AB design, and high-level input make it a versatile and efficient solution for enhancing your listening experience. With its compact size, reliable thermal management system, and Ford Motor Company certification, this amplifier is a smart investment for any music enthusiast.
a. OEM (Original Equipment Manufacturer) compatibility: This amplifier is specifically designed for Ford vehicles, ensuring a perfect fit and seamless integration with the factory system.
b. Powerful output: The Marquis rear speaker amplifier delivers 45 watts RMS (RMS stands for Root Mean Square, which is a measure of continuous power) per channel, providing a good balance between power and efficiency for your subwoofer setup.
c. Compact design: With a size of approximately 11.6 inches by 3.6 inches by 7.3 inches (29.5 centimeters by 9.1 centimeters by 18.5 centimeters), this amplifier is designed to fit in tight spaces, making it a suitable choice for vehicles with limited installation room.
d. Easy installation: The Marquis amplifier comes with a plug-and-play wiring harness, making the installation process simpler and less time-consuming.
2. Cons:a. Limited features: This amplifier is designed primarily for powering a subwoofer, and it does not come with advanced features such as equalization or crossover controls.
b. Limited power output: Compared to aftermarket amplifiers, the Marquis rear speaker amplifier has a relatively low power output. This might not be sufficient for those seeking a more powerful audio system.
c. Limited upgradeability: Since it is an OEM component, there may be limited opportunities for future upgrades or modifications.
Conclusion:The Ford 6W7T-18C804-AA Marquis Rear Speaker Amplifier Subwoofer is an excellent choice for Ford vehicle owners looking for a reliable and compact amplifier to power their subwoofers. Its OEM compatibility ensures seamless integration and ease of installation. However, it may not be suitable for those seeking advanced features or a more powerful audio system.
Recommendation:If you are looking for a powerful and feature-rich aftermarket amplifier, you may want to consider investing in an aftermarket amplifier with a higher power output and advanced features. However, if you are a Ford vehicle owner seeking a compact and efficient amplifier to power your subwoofer, the Marquis rear speaker amplifier is an excellent choice.
2003 2011 Grand Marquis Rear Speaker W/ Amplifier Subwoofer # 6W7T-18C804-AA.