The Polk Audio Speaker Home Theater Surroundbar SDA Subwoofer is a black plastic subwoofer with a 6-inch driver size and a cubic shape. It has a power output of 60W RMS and wireless connectivity. This model, Polk Audio SDA, is designed for home audio systems and is compatible with various brands and models. With its sleek design and SDA features, this subwoofer is perfect for enhancing the sound quality of your home theater setup. Untested don't have the soundbar to connect but powers on showing in the pictures.