AtlasIED PR411 4-Inch Plaster Mounting Ring

The AtlasIED PR411 is a 4-inch plaster mounting ring designed for commercial and residential audio installations. It seamlessly supports torsion-spring grilles and baffles for 4″ loudspeakers in drywall, plaster, stud, or retrofit ceilings.

Manufactured from 20-gauge cold-rolled steel with a textured black epoxy finish, it includes two torsion tabs and offers compatibility with multiple AtlasIED baffle models. It requires no enclosure, making installations clean and efficient.

Key Features

• Material: 20 ga cold-rolled steel (CRS)
• Finish: Textured black epoxy
• Mounting Tabs: 2 torsion tabs included
• Compatible Grilles: T51‑4, T60‑4, T710‑4, T720‑4(BT)
• Ceiling Types: Drywall, plaster, stud, retrofit
• Warranty: 60 months from purchase
• Compliance: TAA compliant

Technical Specifications

• Depth: ½″ (1.27 cm)
• Diameter (outer): 7 ⅞″ (20.00 cm)
• Internal “A”: 6 ⅜″ (16.2 cm)
• “C” Depth to Flange: 2 ¼″ (5.7 cm)
• Shipping Weight: 0.67 lb (0.30 kg)
• Material: Cold-rolled steel (CRS)
• Finish: Textured black epoxy
• Included Tabs: 2 torsion tabs
• Warranty: 60 months

What's Included

• 4″ plaster mounting ring (PR411)
• 2 torsion tabs