The BassLink SM powered woofer fits under the front seat of many vehicles, and supplements a car audio systems full range speakers with powerful bass. Its shallow profile, 8 woofer delivers low-frequency enhancement from a slim profile enclosure. A crossover control and flexible EQ adjustments let you tune the BassLink SM to your system, your cars acoustic environment and your listening preferences. The energy efficient amplifier keeps its cool while powering the woofer. High pass filters and limiters ensure remarkable performance, and input options increase installation versatility. The BassLink SM delivers a lot of bass, without taking up a lot of space.