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SDi Fire
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Bedrock

Speech Intelligibility Testing tools that ensure your fire alarm voice systems meet code, perform reliably, and communicate clearly in real emergencies
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Sound Level Meters

Designed for accurate, real-time noise measurement across a variety of professional applications.

  • All models include built-in features for measuring peak, average, and maximum sound levels
  • Simple, portable design with intuitive controls and rechargeable battery
  • Compliant with international standards for reliable, professional-grade results
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BTB115 Advanced Talkbox

The Bedrock BTB115 is a high-performance acoustic signal generator for advanced STIPA and STI testing. Engineered to mimic a human talker’s sound pattern, it delivers precise, calibrated test signals with minimal setup effort.

  • Three touchscreens, front and back, make control easy from any position
  • Supports STIPA, full STI, noise, sweeps, sine waves, speech prompts, and even user-uploaded signals
  • Integrated laser pointer and distance meter auto-calculate SPL at the test position for fast, accurate setup
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