High-fidelity Sony SS-CS3 floor-standing speakers are a 3-way 4-driver system with a black wood-grain finish. Each tower has a 1-inch polyester main tweeter, a 0.75-inch super tweeter, and dual 5.12-inch mica-reinforced cellular woofers. The units have a 6-ohm rated impedance and a maximum input power of 145W. Removable black cloth grilles are included.