The RadioShack High Power Stereo 4-Way Speaker Control Center Selector - 40-244 (A17) is a durable speaker selector unit designed to handle high power outputs. It allows you to connect up to four sets of speakers to your stereo system, providing convenient control over which speakers are active at any given time. The black color and sturdy construction make it a reliable addition to your home audio setup. Compatible with universal models, this speaker selector is a practical solution for managing multiple sets of speakers with ease.