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Subwoofers are specialized loudspeakers designed to reproduce low-frequency sounds, typically below 100 Hz, in audio systems. They are an essential component of speaker systems, particularly in home theaters and car audio setups, as they enhance the overall listening experience by providing deep, rich bass that adds impact and depth to music, movies, and gaming. Subwoofers come in various sizes, shapes, and configurations, ranging from compact models for desktop speakers to massive units for professional sound systems. They can be powered (active) or unpowered (passive), with the former including an amplifier built-in, while the latter relies on an external amplifier. Subwoofers are a critical element in electronics and audio equipment, delivering powerful, accurate bass that complements other speakers in a sound system and provides an immersive listening experience.