The Yamaha YST-SW 45 is a compact subwoofer designed to enhance low-frequency audio performance in home audio systems. It features a 10-inch cone driver that is capable of delivering robust bass response while maintaining clarity. The subwoofer utilizes Yamaha's advanced YST (Yamaha Active Servo Technology) which helps in minimizing distortion and improving overall sound quality. With a built-in amplifier, it provides enough power to fill a room with deep, resonant bass. The frequency response range generally falls between 28 Hz to 200 Hz, making it suitable for various listening applications, from music to movies. Users have the ability to adjust the level and crossover settings to tailor the sound output to their preferences. The cabinet is designed to reduce vibration and produce cleaner bass notes. Its compact size allows for easy placement in various environments without occupying too much space.