While the DR18SUB 18"" 2400W Active Pa Powered Subwoofer with Built-In Stereo Crossover may appear to be a standard subwoofer, it is a powerful, high-quality, and reliable audio equipment that offers superior low-frequency reproduction. This professional-grade subwoofer is ideally suited for use with any active 2-way loudspeakers, thanks to its built-in stereo crossover. Driven by a robust 2400-Watt Class-d amplifier, this subwoofer features an 18"" long-excursion subwoofer and an array of professional features. It is designed to produce extreme levels of deep punch, along with the definition and clarity typically associated with larger systems. The DR18SUB is equipped with a revolutionary Class-d amplifier and state-of-the-art Dsp technology. This combination provides you with immense power and exceptional sonic performance in an easy-to-use, ultra-portable, and lightweight package.