The Meyer Sound MG-3D Rigging Kit (also known as the MG-3D/M Multipurpose Grid) is an essential accessory within the Meyer Sound M Series QuickFly rigging system, designed for safely suspending or ground-stacking large-format line array loudspeakers and subwoofers. This robust, multi-purpose grid provides versatile mounting options for a range of compatible self-powered products, including the M3D, M3D-Sub, MILO, MILO 60, MILO 120, MG-2D, and M2D loudspeakers.

The kit is constructed from durable, high-strength materials, often featuring a black textured finish to match the M Series cabinets, and incorporates captive hardware for secure assembly. It accommodates various hanging configurations, supporting significant weight; for example, it can safely fly up to 24 MILO loudspeakers or the equivalent weight of other supported models with an appropriate safety factor (e.g., 7:1 for up to 16 M3Ds). The MG-3D is designed for ease of use by trained professionals, facilitating straightforward and reliable deployment in complex touring or permanent installation environments. It requires specific link kits (like the MLK-3D or MLK-MILO) to interface correctly with different loudspeaker models and supports multi-point suspension using various pick-up points.