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The Bose Professional SMS118 is an 18-inch subwoofer module that delivers unparalleled low-frequency performance for live sound and professional audio applications. Designed to complement the ShowMatch DeltaQ Array system, this subwoofer integrates seamlessly into various setups, offering flexible mounting and deployment options. With a high-performance woofer featuring a robust neodymium magnet, the SMS118 is engineered to produce thunderous bass that can be felt as much as it is heard. It operates efficiently across a wide frequency range and is optimized for both indoor and outdoor use, making it a versatile choice for concerts, corporate events, and other live performances. The enclosure is constructed from high-quality, durable materials, ensuring longevity while minimizing distortion. Additionally, the smart design allows for easy transport and installation, making it the ideal solution for transient setups. Integrated rigging points and stacking features further enhance its adaptability, as users can create array configurations that meet their specific sound coverage needs. The SMS118's innovative technology and user-friendly design cater to both professional sound engineers and casual users alike. Whether enhancing the low-end in a large venue or adding depth to a small gathering, the SMS118 delivers the sound quality and reliability that Bose is known for, making it a crucial component in any serious sound system.