Used Bose MB4 Bass Module Powered Subwoofer

Add powerful low-end to your PA with this used Bose MB4 Bass Module powered subwoofer in good condition. Designed for live sound, it delivers tight, punchy bass and pairs easily with Bose modular systems. Features a rugged enclosure for reliable gigging and a high-output 4x 5.25-inch driver array engineered for strong bass extension with clear definition. Ideal for small to mid-size venues needing clean, portable low-frequency reinforcement.