The Yamaha YST-SW 200 is a compact subwoofer designed to enhance the low-frequency audio experience in home theater systems and music setups. It features an advanced YST (Yamaha Active Servo Technology) that improves the overall performance and response of the subwoofer by offering precise and controlled bass. The YST-SW 200 is equipped with an 8-inch cone driver and a high-efficiency amplifier with a power output of around 100 watts (RMS). This design allows for a frequency response that extends down to 25 Hz, providing deep and immersive bass tones. The subwoofer includes adjustable crossover frequency settings, allowing users to fine-tune the integration with their main speakers. Its compact and sleek cabinet design allows for easy placement in different room configurations, while the rear-firing bass port helps to enhance bass performance. Additionally, the YST-SW 200 has a phase switch feature for optimizing sound dynamics, ensuring that it can mesh well with various speaker types. The subwoofer typically offers both line-level and speaker-level inputs, offering versatility in connectivity options.