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SKB iSeries 4U Shallow Fly Rack, Waterproof Polypropylene Hard Case, 9 Inch - 422017

SKB iSeries 4U Shallow Fly Rack, Waterproof Polypropylene Hard Case, 9 Inch - 422017

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SKB iSeries 4U Shallow Fly Rack, Waterproof Polypropylene Hard Case, 9 Inch - 422017

Introducing the SKB iSeries 4U Shallow Fly Rack Case, a go-to option for touring professionals who require secure and rugged protection for their equipment. Engineered for audio, DJ, and rackmount equipment, this case combines durability, mobility, and military-grade protection in one streamlined design. With a 4U shock-mounted rack system and 9-inch depth, it’s ideal for compact gear like wireless systems, audio interfaces, and signal processors.

Built from polypropylene copolymer, the hard shell is designed to resist impacts, water, dust, and extreme conditions. The injection-molded shock rack includes foam padding, giving your gear double-layer protection on the road or in the studio. Whether you're flying across the country or loading up for a local gig, this case is made to perform.

Travel-ready features include ultra-wide carry handles and trigger-release latches that make transport easy without compromising security. The gasket-sealed lid and automatic ambient pressure equalization valve ensure your gear remains safe even during rapid altitude or climate changes.

Used by musicians, audio/visual technicians, and mobile DJs, the SKB iSeries Fly Rack is more than a case—it's a high-performance gear vault designed for real-world use. From studio racks to live rigs, it delivers unmatched protection wherever your music or media takes you

Features                    
  • Ultra-rugged shallow hard case designed for safe transport of rack gear and wireless transmitters
  • Made from durable polypropylene copolymer resin for long-lasting protection
  • 4U removable injection-molded shock rack with 9-inch depth keeps gear secure
  • Watertight gasket seal and pressure valve safeguard against water and dust
  • Interior foam padding adds an extra layer of shock absorption during travel
  • Features trigger-release latches to ensure easy access and secure closure
  • Ideal for touring musicians, AV crews, and professionals on the move
  • Material: Plastic
  • Color: Black
  • Dimensions (L x W x H): 24.44 x 15.52 x 13.65 inches
  • Weight: 22.21 pounds
What our Experts Think  
  • litary-grade shell construction: Built from ultra high-strength polypropylene copolymer resin, delivering excellent impact resistance plus protection against UV, corrosion, solvents, and fungus.
  • Waterproof, travel-ready design: Fully gasket-sealed, dustproof, and submersible-rated case ensures reliable performance in harsh outdoor and transport conditions.
  • 9-inch shallow rack depth: Optimized for low-profile equipment setups, reducing unnecessary bulk while maintaining secure rack mounting support.
  • Shock-mounted internal rack system: Removable rack frame with internal foam padding helps absorb vibration and protects sensitive gear during transit.
  • Touring-friendly mobility: Integrated wheels, reinforced handles, and TSA-style locking latches make it practical for frequent travel and field deployment.
  • Pressure-balanced protection: Built-in valve helps equalize internal pressure during altitude or temperature changes, improving gear safety in flight conditions.
  • Expert verdict: A high-end, space-efficient rack solution for professionals who need maximum protection, waterproof reliability, and a compact 4U footprint for mobile rack systems.
                 
Q&A  

Q: What is the SKB iSeries 4U Shallow Fly Rack Case (9", 422017) used for?
A: It is a professional-grade 4U shallow rack case designed to securely transport rack-mounted audio, video, or IT gear such as wireless receivers, processors, and compact studio equipment.

Q: How durable is this case?
A: It features a MIL-STD 810H-rated polypropylene shell that is waterproof, dustproof, and impact-resistant, built for extreme touring and shipping conditions.

Q: What does “shallow 9-inch rack depth” mean?
A: It provides a 9-inch rail-to-rail depth, making it ideal for compact gear setups where space and weight savings are critical.

Q: Is it suitable for air travel?
A: Yes. It includes TSA-compatible locking latches, a pressure equalization valve, and a gasket-sealed waterproof design for safe airline transport.

Q: Does it support easy transport?
A: Yes. Built-in wheels and a pull-out handle make it easy to roll even when fully loaded.

Q: What makes the interior protective?
A: It uses a removable 4U shock rack system with foam padding that cushions gear and reduces vibration and movement during transit.

                 
Maintenance Tips
  • Wipe exterior polypropylene shell regularly with a damp cloth to remove dust, dirt, and road residue
  • Keep rack rails clean and free of debris to ensure smooth equipment mounting and alignment
  • Inspect and maintain latches, hinges, and handles for secure closure and reliable transport
  • Clean rubber gasket seal periodically to preserve waterproof and dust-tight protection
  • Store in a cool, dry environment away from direct sunlight and extreme temperatures
  • Check pressure equalization valve to ensure proper airflow during altitude or pressure changes
  • Avoid overloading rack units beyond 4U capacity to prevent strain on rails and frame
  • Secure all mounted gear properly and verify tightness before transport to prevent vibration damage