The Yamaha YST-SW315 is a high-performance powered subwoofer designed to enhance the low-frequency performance of home audio and home theater systems. Built with Yamaha’s Advanced Active Servo Technology (Advanced YST) and QD-Bass technology, it delivers powerful and precise bass reproduction while maintaining excellent control and clarity.
At the heart of the subwoofer is a 10-inch (25 cm) long-stroke cone driver paired with a high-efficiency digital amplifier capable of producing up to 270 watts of dynamic power. This combination allows the YST-SW315 to produce deep and impactful bass suitable for movies, music, and gaming.
The subwoofer provides a frequency response of 20 Hz to 160 Hz, enabling it to reproduce deep low-frequency effects while maintaining balanced integration with main speakers. Yamaha’s BASS (Bass Action Selector System) allows users to switch between Music and Movie modes, optimizing the bass response depending on the content being played.
For system tuning, the YST-SW315 includes a continuously variable high-cut filter (40–140 Hz), phase control, and adjustable volume control. These features allow users to match the subwoofer output to the room acoustics and the rest of the speaker system for smooth and accurate bass reproduction.
The subwoofer features a bass-reflex cabinet with a down-firing driver, which improves bass dispersion throughout the room. Its rigid MDF cabinet construction reduces vibration and resonance, helping maintain clean and distortion-free bass output.
Additional features include signal-sensing auto power on/off, magnetic shielding, and both line-level and speaker-level inputs, allowing flexible integration with a wide range of receivers and audio systems.
With its combination of powerful amplification, advanced bass technologies, and flexible connectivity, the Yamaha YST-SW315 provides a solid low-frequency foundation for home theater and music listening systems.
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