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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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BTB65 Talkbox

The Bedrock BTB65 TalkBox is a compact, calibrated signal source for STIPA and speech intelligibility testing. It delivers both acoustic and electronic test signals with precision and ease, making it ideal for reliable STI measurements in the field.

  • Built-in loudspeaker and line-out provide both acoustic and electronic output options
  • Touchscreen interface and integrated laser pointer simplify setup and alignment
  • Plays back STIPA, speech, noise, sine waves, and sweeps — all with calibrated level and spectrum
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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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