Sound Barrier QC40 — Medium-Duty Wrap-Around Trigger Hook Clamp
QC40 Overview
The Sound Barrier QC40 is a pro-grade wrap-around trigger hook clamp engineered for mounting lighting fixtures and effects to truss or pipe with an outer diameter of 2 to 2.5 inches (50mm to 60mm). With a 1,100 lb load capacity, it delivers reliable holding strength for medium-duty rigging applications in live events, theater, and mobile DJ setups. An integrated M10 wing-nut accessory bolt provides an additional layer of security beyond the trigger mechanism. The QC40 is suited for light riggers, theater stagehands, and mobile DJs who need fast, dependable fixture deployment.
The trigger hook design allows for quick placement and repositioning on trussing or pipe, streamlining installation workflows during load-in and changeovers.
Key Features
- Wrap-Around Trigger Hook Design — Enables fast, tool-free clamp placement and secure engagement on truss or pipe
- 2 to 2.5-Inch Truss Compatibility — Fits truss or pipe with an outer diameter of 2 inches (50mm) to 2.4 inches (60mm)
- 1,100 lb Load Capacity — Medium-duty rated for reliable fixture support in live event and theatrical rigging
- M10 Wing-Nut Accessory Bolt — Secondary fastening point for enhanced installation security
- Broad Application Range — Suitable for lighting fixtures and key effects in mobile DJ, light rigging, and theater stagehand applications
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