The Logitech Z-640 Channel Volume Replacement Center Control Controller Pod and two satellite speakers is a wired controller pod speaker designed for surround sound systems. It features volume control and comes in a sleek black color. This controller pod is specifically designed by the well-known brand Logitech to provide a seamless and convenient way to control the volume in your computer speaker setup. Made in China, this controller pod is a practical and reliable addition to enhance your audio experience.