Principles of Operation: Subwoofers
WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
The 8-inch (203 mm) subwoofer speakers utilized in the Shaker/Shaker Pro systems are located in the doors. Each subwoofer speaker is powered by 2 of the available 8 audio DSP amplifier channels. In addition to these subwoofer speakers, the Shaker Pro system includes an enclosure with one 10-inch (254 mm) dual voice coil subwoofer powered by a 4 channel amplifier.