The Monoprice SSVC-4.1 is a versatile speaker selector designed for home audio systems. With a single input and four channels, it allows you to easily switch between different audio sources and control the volume for each channel separately. Compatible with universal brands and models, this black speaker selector from Monoprice is a reliable and convenient addition to your home audio setup. Ideal for expanding your audio experience and enhancing your TV, video, or music playback.