This Yamaha YST-SW120 Active Servo Processing Subwoofer System is a high-end audio device that provides a powerful and clear sound. It is designed to enhance your home audio experience and give you a truly immersive sound. With a RMS power of 100w, this subwoofer is perfect for movie nights or parties. Its wired connectivity ensures a stable and reliable connection, while the black color adds a touch of elegance to your home decor. This subwoofer is perfect for audiophiles who want to take their home audio to the next level.