The Pioneer 1100W 10" Active Sealed Subwoofer with Built-in Amplifier TS-WX1010A is a high-performance car audio component designed to enhance the bass in your vehicle. With a powerful RMS power output of 1100W, this subwoofer delivers crisp and clear sound quality. The sealed design ensures a tight seal to prevent sound leaks, while the built-in amplifier allows for easy installation and setup. Perfect for car audio enthusiasts looking to upgrade their sound system, this Pioneer subwoofer is a reliable and top-quality choice.