STIPA Option (optional)
The XL3 Analyzer, with the STIPA Option installed, measures the speech intelligibility according to the latest revision standard IEC 60268-16:2020…
XL3 Acoustic Analyzer
Created for professionals. Simple for everyone.
The XL3 is a professional sound level meter and acoustic analyzer dedicated to noise measurements, room acoustics and building acoustics applications. The intuitive user interface is optimized for basic noise monitoring applications as well as offering extensive analysis tools for professionals. The sound level meter is fully networked and therefore allows operation and data access from any mobile device.
- Class 1 Sound Level Meter
- Spectrum Analyzer
- Reverberation Time Analyzer
- Sound Insulation Analyzer
- STIPA Analyzer
- Multi-language
- Touch display
- Single-range measurement
- Integrated web server and file server
- Web connectivity
- 12 hours battery life
Intuitive Operation in any Environment
Built for collaboration
The XL3 features a 4.3″ IPS color touch display (480 × 800) that presents readings in large, clear digits and enables fast, intuitive operation in the field. The high-resolution interface supports both quick checks and detailed analysis workflows with minimal navigation effort.
Choose between white, blue, or black interface themes to match lighting conditions and personal preference, improving readability in bright daylight or low-light environments. This helps keep the UI consistent and comfortable during long measurement sessions.
A haptic keypad with eight physical buttons provides reliable access to common functions such as power on/off and start/stop measurement. This is particularly practical when working with gloves, in wet conditions, or when touch operation is less convenient.
Monitor and Control from Anywhere
Flexible setup
Connect and perform your first measurement with our demo XL3 here:
Live Demo XL3 Acoustic Analyzer
Password: 1111
An integrated web server and file server enables authorized users to control the XL3 and access data remotely via Wi-Fi or LAN from any standard browser. You can connect through NTi Connect or directly via the device IP on a local network – useful for building acoustics where measurements are started from a different room.
Measurement files can be downloaded without interrupting an ongoing measurement, supporting efficient workflows during long-term monitoring. This keeps the instrument running continuously while stakeholders can already review and share interim results.
The XL3 supports automatic time synchronization via NTP to ensure consistent time stamps across devices and measurement locations. Optional APIs allow integration into monitoring systems by retrieving current and historical noise, audio and weather data for automated processing and reporting.
Comprehensive Professional Analysis
Built to perform
All measurement data is stored in an open TXT format on a removable 32 GB SD card, and storage can be expanded with larger SD cards or an external SSD. In addition, the XL3 can record audio alongside measurement data, which helps confirm events and support documentation.
Configured with M2230 or M2340 microphones, the XL3 forms a Class 1 sound level meter for precise, standards-based measurements. High-performance sampling up to 96 kHz / 32-bit and a frequency range of 0.3 Hz to 40 kHz also support infra- and ultrasound investigations.
Beyond sound level measurement, the XL3 supports spectrum analysis, reverberation time, sound insulation, and STIPA applications in one platform. This allows acousticians to use a single instrument across noise measurement, room acoustics, and building acoustics tasks.
Swiss Precision Engineering
This sound level meter builds on the latest processor and display technologies to provide a comfortable user experience.
High-performance hardware packed in a robust housing offers precise 96 kHz data sampling in 32-bit resolution. With a frequency range from 0.3 Hz – 40 kHz, the XL3 is prepared for infra and ultra sound measurements.
With single-range measurement and the automated sensor detection reading the electronic data sheet from the connected measurement microphone, the XL3 Acoustic Analyzer is indeed the equivalent of a Swiss Army knife for noise measurement professionals.
Applications
The XL3 is the Perfect Solution for
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Sound Level Monitoring
Monitor event SPL in real time to meet limits and protect hearing.
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Environmental Monitoring
Long-term environmental noise monitoring for communities and sites.
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Functions
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learn more
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Sound Insulation (optional)
learn moreThe XL3 Acoustic Analyzer enables direct determination of airborne, impact and facade sound insulation on the instrument.
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Reverberation Time
learn moreThe XL3 measures the reverberation time in octave bands from 63 Hz – 8 kHz using the standardized T20 or…
- All Functions
Options
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Extended Noise Measurement Option
learn moreThe Extended Noise Measurement Option adds the advanced features below for more challenging tasks of noise consultants.
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Sound Insulation Option
learn moreThe Sound Insulation Option extends the XL3 for building acoustic applications. The instrument measures the sound pressure level in the…
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Extended Room Acoustics Option
learn moreRoom acousticians value the following optional features for extended reverberation time measurements.
- All Options
Accessories
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Measurement Microphones
learn moreA range of measurement microphones are available to suit your requirements. The measurement microphones combine with the XL3 or XL2…
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Weather Protection
learn moreProtect your measurement microphone from rain, wind, dust and perching birds with a professional outdoor weather protection kit. The corrosion-free…
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Heavy-Duty Outdoor Case
learn moreThe heavy-duty outdoor case is a professional solution for short- and medium-term unattended noise monitoring. The case provides comprehensive protection…
- All Accessoires
Software
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MeasurEye
Cloud hub for real time monitoring of noise, reportings, vibration and alerts.Learn more
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Data Explorer
PC software for analysis, reporting and rating level calculations.Learn more
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Sound Insulation Reporter
PC software for sound insulation measurements, analysis, and standardized reporting.Learn more
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Sound Power Reporter
PC software that turns sound power measurements into fast, graphical reports from all positions.Learn more
FAQs
Yes. The XL3 includes an integrated web server and file server for browser based control via Wi Fi or LAN, and measurement data can be downloaded while the measurement continues. XL3 can also be remotely used to perform Building Acoustics measurement using Sound Insulation Reporter Software.
All measurement data is saved in an open TXT format on a removable 32 GB SD card and can be downloaded via USB C. Storage can be expanded with larger SD cards or an external SSD, and an audio signal can be recorded alongside the measurement.
Yes. The XL3 is fully networked and can be operated and accessed from mobile devices via a web browser.
The XL3 typically provides up to 8 hours of battery life. Runtime depends mainly on factors like display brightness, active connectivity such as Wi Fi or LAN activity, logging and audio recording settings, and any connected peripherals.
Trusted by professionals worldwide.
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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.
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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.
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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.
News about XL3 Acoustic Analyzer
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Upgrade to the XL3 and Save 25%
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New XL3 Firmware: Noise Curve Measurements
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Webinar: Introducing the new NL1 Noise Locator
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Customised configurations for the XL3
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New Features in the XL3 Acoustic Analyzer
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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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Downloads
- Product Information
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Type Approvals
- Portugal - Pattern Approval Certificate
- Germany PTB - Pattern Approval Certificate
- Spain CEM - Pattern Approval Certificate
- Czech Republic CMI - Pattern Approval Certificate
- Hungary - Pattern Approval Certificate
- Austria - Pattern Approval Certificate
- China CPA - Pattern Approval Certificate
- France LNE - Certificat d’examen de type
- France LNE - XL3 Type Approved Mode d'Emploi
- Switzerland METAS - Pattern Approval Certificate
