Looking to add serious low-end punch to your sound system This used Yamaha MSR800 Powered Subwoofer delivers deep, powerful bass with clarity and impact, perfect for live sound or DJ setups. In good condition and fully tested, it features an 800-watt built-in amplifier and a rugged 15" woofer housed in a durable bass-reflex cabinet. With XLR input and output connectors, it's easy to integrate into your existing PA system. The MSR800's solid construction and reliable performance make it a trusted choice for professionals who need dependable sub-bass support at an affordable price.