AtlasIED P78‑8 8-Inch Plastic Mounting Ring with Tabs for 16-Inch Stud Ceilings

The AtlasIED P78‑8 is an 8″ plastic mounting ring crafted from durable polystyrene, specifically designed for retrofit ceiling installations in conventional 16″ stud spaces. Ideal when above-ceiling plenum access is limited, it simplifies installation while maintaining stability.

This model includes mounting ears to accommodate 16″ stud layouts and comes with four pre-installed J-nuts, ensuring secure attachment of compatible 8″ loudspeaker baffles. Lightweight yet robust, it supports several industry-standard baffle models.

Key Features

• Material: Polystyrene plastic
• Stud Compatibility: Includes mounting ears for 16″ (406 mm) stud spacing
• Installation Type: Retrofit ceiling applications with hard-to-access plenum
• Includes: Four 8‑32 J‑nuts for mounting hardware
• Compatible Baffles: Supports 51‑8, 60‑8(W), 61‑8W, 62‑8, 63‑8, 170‑8, M222(W), P900

Technical Specifications

• Depth: 3/8″ (0.9525 cm)
• Diameter: 11 15⁄16″ (30.3225 cm)
• Stud Span (A): 18″ (45.7 cm)
• Product Weight: 0.40 lbs (0.18 kg)
• Shipping Weight: 0.40 lbs (0.18 kg)
• Warranty: 60 months from purchase date

What's Included

• One P78‑8 mounting ring with integrated ears
• Four 8‑32 J‑nuts