AtlasIED 191-78-8 Extra‑Deep 8-Inch Recessed Enclosure with Adjustable Bracket

The AtlasIED 191‑78‑8 is a premium, extra‑deep round enclosure engineered for 8″ commercial and professional loudspeakers. Constructed from heavy-gauge cold-rolled steel with a rust-preventive texturized black finish, this enclosure features undercoated walls and 1½″ high-density fiberglass lining to reduce resonance and improve acoustic clarity. With its increased internal volume, this back box delivers enhanced low-frequency response and deeper bass performance—perfect for high-end AV systems in corporate, hospitality, or retail environments.

This recessed enclosure includes a versatile adjustable mounting bracket that allows seamless installation in a wide range of ceiling types and configurations. Four combination conduit knockouts ensure easy cable routing, while the rugged build and UL compliance make it ideal for professional-grade audio installations. Backed by a 60-month warranty, the 191‑78‑8 assures both installation flexibility and long-term reliability.

Key Features

• Extra‑Deep Design: With a depth of 11 11/16″ and 8″ height, it provides superior acoustic loading
• Fiberglass Lined: 1½″ thick high-density acoustic fiberglass for enhanced bass
• Adjustable Mounting Bracket: Ensures easy installation in various ceiling configurations
• Heavy‑Gauge Steel Construction: Cold-rolled steel with undercoat to minimize resonances
• Conduit Knockouts: Four combination knockouts for flexible wiring
• Durable Finish: Rust-preventive textured black coating for long-term protection

Technical Specifications

• Height: 8 in (20.32 cm)
• Depth: 11 11/16 in (29.69 cm)
• Shipping Weight: 6.66 lb (3.02 kg)
• Material: Heavy‑gauge cold‑rolled steel
• Fiberglass Lining: 1½″ high‑density (1.5 lb/ft³)
• Finish: Rust-preventive textured black paint
• Installation Flexibility: Adjustable bracket for various ceiling types
• Warranty: 60 months from date of purchase

What’s Included in the Box

• One AtlasIED 191‑78‑8 extra‑deep, fiberglass-lined enclosure
• One adjustable mounting bracket
• Four combination conduit knockouts pre-installed