The BSR WSP-5 Amplified Subwoofer Duct Tuning Acoustic Filter System is a powerful and sleek addition to any home audio setup. This rectangular subwoofer in black color is made of wood and features a wired connectivity with an impedance of 8 Ohms. With dimensions of 14 inches in height and length, this model from BSR is designed to enhance the bass and overall audio quality in your living space. The WSP-5 offers a compact and efficient way to improve your home audio experience.