Increasingly, high sound quality is being demanded even in previously less powerful sound systems. Bars, restaurants, pubs, and shops today use sound—music, video games, home cinema, etc.—not just as simple background noise, but as a genuine marketing tool where sound quality is a crucial component. This subwoofer is designed to be placed in rooms that typically wouldn't accommodate a subwoofer. Despite its slim appearance, cabinet volume, and high-excursion woofer, it delivers bass worthy of much larger systems. The built-in Class-AB amplifier is stable, designed for long-term operation, and equipped with an auto-power function (to reduce power consumption), limiter, thermal, and overload protection. In addition to the stereo line input, there is also a stereo power input (low impedance) that allows for direct connection to the amplifier outputs or speakers of an existing system, which is very convenient when distances or other factors prevent traditional connections to the mixer or link outputs of an amplifier.