YAMAHA NS-SW200 is a powerful subwoofer which combines a beautiful desing and high functionality. Now, with the new Twisted Flare port technology, you can enjoy clear and powerful bass much more intensely. The Twisted Flare is a specially designed basreflex horn with a decently twisted surface for smoother airflow. The stylish look, with the glossy Piano Black finish, makes this model a stylish accessory for interiors. The built-in active amplifier delivers 130W of power, excels at high efficiency, low power consumption, and minimal heating.