12-INCH SUBWOOFER ENCLOSURE: The vented 12-inch subwoofer enclosure is factory-tuned and vented for deep, thunderous bass. A high-quality subwoofer that is perfect for your personal taste and preferences ELEGANT AND DURABLE: This sub is highly durable and fit for extended use, thanks to sophisticated engineering and best-in-class resonance-free driver materials. With its elegant design this subwoofer is sure to reach the best standards IMPROVED OUTPUT CAPABILITY: A unique tuned port with computer-aided design and 4 Layer Dual Voice Coils substantially enhances subwoofer output efficiency, delivering constant low-frequency bass CUSTOMIZABLE BASS BOOST: Variable bass boost allows you to tailor the low end of the boost range to your preferences. It's highly convenient and time-saving, allowing you to get the most out of your subwoofer EXTRA BASS AND PUNCH: A high-quality 12-inch woofer and a specially designed directed port produce accurate bass with added depth, bringing your music and movies to life. A fantastic choice for a small-to-medium-sized room