ISE 2026

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Made in Switzerland Precision Engineering

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Turning Noise & Vibration Into Intelligence

Precision audio and acoustic measurement instruments that deliver actionable insights for professionals worldwide.

Trusted by 10.000+ professionals worldwide

Noise Locator NL1

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The NL1 is a real-time noise locator that measures sound intensity to determine the dominant noise direction and elevation, even in reflective or windy conditions.

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XL3 Acoustic Analyzer

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The XL3 is a professional sound level meter and acoustic analyzer dedicated to noise measurements, room acoustics and building acoustics applications.

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Contact us for a quotation or to discuss your measurement application.

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Measurement solutions for every environment

Used in 100+ countries around the world

    Speech Intelligibility STIPA

    Test emergency systems and more

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    Stipa Dev Img

    Room Acoustics

    Reverberation Time, Speech Intelligibility, Background Noise

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    Building Acoustics

    Room compliance, Insulation testing

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    Environmental Monitoring

    Long-term environmental noise monitoring for communities and sites.

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    Environmental Noise

    Occupational Noise

    Workplace noise exposure levels and time averages.

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    Occupational Noise

Featured products that enable these solutions

swiss precision engineering

  • Sound Level Meters

    • XL3 Acoustic Analyzer

    • XL2 Audio & Acoustic Analyzer

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    Sound Level Meters
  • Cloud & Software

    • MeasurEye

    • NoiseScout

    • Data Explorer

    • Sound Insulation Reporter

    • Room Acoustics Reporter

    • Sound Power Reporter

    • Projector PRO

    • Speaker Test Software

    • Microphone Test Software

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    Monitoring Platforms
  • Signal Sources

    • Minirator MR-PRO / MR2

    • TalkBox

    • DS3 Dodecahedron Speaker

    • δ-Clapper

    • TM EOS2 Tapping Machine

    • IB01 Impact Ball

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    Noise Sources
  • Vibration Meters

    • XL2 Vibration Meter

    • GSS 5GV Vibration Monitor

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    Xl2 Vibration Meter
  • Measurement Microphones

    • Noise Locator NL1

    • Class 1 Certified

    • Class 1 Frequency Response

    • Class 2

    • Outdoor Measurement Microphones

    • QC Microphones

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    Measurement Microphones
  • QC Systems

    • FX100 Audio Analyzer

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    Fx 100 Audio Anlayzer
Browse All Products

Trusted by professionals worldwide.

    As a research laboratory invested in supporting communities through real time noise monitoring,  I am very happy to exclusively use NTi instruments. Not only are the robust, easy to use, and provide high quality data, the customer service is outstanding and their team will work with you to find the most cost effective and appropriate solutions needed for problems ranging from easy to difficult.

    User
    Erica D. Walker MSc, ScD, RGSS Assistant Professor of Epidemiology, Brown University School of Public Health
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    I’ve been using the XL2 for over 15 years for short-term and long-term measurements in all kinds of indoor and outdoor environments all across the country. The meter gets me what I want, when I need it. It’s not only the best value for acoustical measurements, it’s the best tool period. I bet my company and reputation on XL2 results and it has not let me down. You would be crazy not to consider adding NTi instruments to your toolkit.

    User
    Herb Singleton, P.E., INCE Bd. Cert., President, Cross-Spectrum Acoustics
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    We at Constructure GmbH use two XL3 sound level meters for noise monitoring during demolition work. We are very satisfied with these highly user-friendly instruments, the online monitoring in the MeasurEye Cloud, the good advice and qualified support. Factory calibrations at NTi Audio are also handled very smoothly and without complications.

    User
    Markus Rost, Managing Director, Constructure GmbH
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Industry news and updates

More Information
  • Pre-orders for the NL1 are now open – first batch availability is limited.

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  • Locate the Noise. Understand the Source. Meet the Noise Locator.

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  • Introducing Smarter Sound Insulation Measurement with the New “Site View”

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  • NTi Audio welcomes Hansjörg Prettner as new CEO

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