The Pyle P558 Eight Channel High-Powered Stereo Speaker Selector is a versatile and reliable device that allows you to connect up to eight pairs of speakers to your stereo system. This speaker selector is compatible with universal brands and comes in a sleek black color that will seamlessly integrate into your home audio setup. The Pyle P558 has been thoroughly tested and is guaranteed to work flawlessly, providing you with high-quality sound for all your home audio needs.Button c is missing but still works