They have been tested and are working. Some surface rust color on the 10C speaker ports.

The KLH 9S and 10C Center Channel Satellite Surround Sound Speakers are a set of wired rectangular speakers designed for a 3.0 channel surround sound system. These black speakers from the respected brand KLH are made of plastic and have an impedance of 8 Ohms. With a sleek design and high-quality sound, these speakers are perfect for enhancing your home audio experience.