Sound Barrier SB4RR — Medium Multipurpose Utility Combo Drawer Case
SB4RR Overview
The Sound Barrier SB4RR is a medium-format combo drawer case built for audio engineers, system integrators, and touring production crews who need organized, mobile storage on the job. The case combines 4 utility drawers in both small and large configurations with multi-purpose shelves integrated into the cover, providing versatile storage for cables, tools, accessories, and small gear. Construction features 9mm plywood inner and outer wall construction with aluminum tongue-and-groove joinery for structural rigidity under demanding transport conditions. This case is well suited for touring rigs, broadcast facilities, houses of worship, and any production environment requiring durable, organized mobile storage.
Heavy-duty recessed handles, latches, and ball corners protect the case and its contents during transit, while five 4-inch high-elasticity caster wheels, two of which include safety brakes, provide stable and controlled mobility across stage floors and loading docks.
Key Features
- 4 Utility Drawers — Includes both small and large drawer configurations to accommodate a range of accessories, tools, and consumables
- Built-in Cover Shelves — Multi-purpose shelves integrated into the case cover provide additional staging or storage surface when the case is open
- Aluminum Tongue and Groove Construction — Precision aluminum joinery reinforces panel connections for long-term structural integrity
- 9mm Plywood Inner and Outer Walls — Dual-wall plywood construction delivers durability and impact resistance throughout the case body
- Heavy-Duty Recessed Hardware — Recessed handles, latches, and ball corners protect hardware from snag damage and provide secure closure during transport
- 5 x 4-Inch High-Elasticity Caster Wheels — Five caster wheels support smooth rolling across varied surfaces, with two wheels featuring safety brakes for stationary stability
- Compact Medium-Format Footprint — Overall dimensions of 21.5 x 26.2 x 35.83 inches (547 x 665 x 910mm) balance storage capacity with manageable size for stage and venue use
Connectivity & I/O
- Small Drawers: 17.3-inch W x 18.1-inch D x 4.7-inch H (440 x 460 x 120mm) interior per drawer
- Large Drawers: 17.3-inch W x 18.1-inch D x 8.9-inch H (440 x 460 x 225mm) interior per drawer
Technical Specifications
| Overall Width | 21.5 in (547mm) |
| Overall Depth | 26.2 in (665mm) |
| Overall Height | 35.83 in (910mm) |
| Small Drawer Width | 17.3 in (440mm) |
| Small Drawer Depth | 18.1 in (460mm) |
| Small Drawer Height | 4.7 in (120mm) |
| Large Drawer Width | 17.3 in (440mm) |
| Large Drawer Depth | 18.1 in (460mm) |
| Large Drawer Height | 8.9 in (225mm) |
| Wall Construction | 9mm Plywood Inner / Outer |
| Joinery | Aluminum Tongue and Groove |
| Caster Wheels | 5 x 4-inch High-Elasticity (2 with Safety Brakes) |
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