AtlasIED Q408 8-Inch Q-Series Cylindrical Speaker Enclosure

The AtlasIED Q408 is a robust cylindrical enclosure designed to house standard 8″ loudspeakers. With a generous internal volume of 1 cubic foot (0.028 m³) and thick fiberglass lining, it enhances bass response while reducing metallic resonance.

Constructed from welded cold-rolled steel with a galvanized finish and textured black epoxy interior, the Q408 includes a plaster flange and knockout provisions for mounting architecturally styled grilles—ideal for commercial or architectural audio installations.

Key Features

• Internal Volume: 1 ft³ (0.028 m³)
• Construction: Welded CRS with galvanized finish
• Interior Liner: 1½″ (38 mm), 1½ lb/ft³ fiberglass + sound-deadening undercoat
• Mounting System: Plaster flange with multiple grille compatibility
• Finish: Textured black epoxy (interior)
• Applications: Retail, hotels, lounges, meeting rooms, etc.

Technical Specifications

• Speaker Size Compatibility: 8″ (203 mm)
• Diameter: 14 3/8″ (36.51 cm)
• Height: 14.375″ (36.51 cm)
• Depth: 10 1/2″ (26.67 cm)
• Internal Volume: 1 ft³ (0.028 m³)
• Weight (net): 7 lb (3.18 kg)
• Shipping Weight: 8.33 lb (3.78 kg)
• Material: Galvanized cold-rolled steel (CRS)
• Interior Lining: Fiberglass + undercoat
• Knockouts: Four ½″-1″ combination for wiring
• Finish: Textured black epoxy inside
• Safety Listing: UL 1480 compliant

What's Included

• Cylindrical enclosure with plaster flange
• Factory-installed fiberglass and sound-deadening undercoat