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NTI 600-000-340
XL2 Analyzer & M4260 Microphone

OUR PART #:  600-000-340

NTI's XL2 Analyzer forms the unique combination of a state-of-the-art Sound Level Meter, a comprehensive Acoustic Analyzer as well as a powerful Audio Analyzer.
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List Price: $1,895.00
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NTI 600-000-340
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NTI's XL2 Analyzer forms the unique combination of a state-of-the-art Sound Level Meter, a comprehensive Acoustic Analyzer as well as a powerful Audio Analyzer.  A range of measurement microphones with an electronic data sheet are available to suit your requirements.

All data and audio is logged onto the SD card for transfer to your PC.  Free reporting tools are available for download.  The wide range of functionalities is tailored for measurement tasks in:

  • Audio-acoustic installations
  • Noise monitoring
  • Live sound
  • Broadcast
  • Building acoustics
  • Testing devices for PASS/FAIL quality control

Measurement Functions

Sound Level Meter:

  • Standards: IEC 61672, IEC 60651, IEC 60804, ANSI S1.4, ANSI S1.43
  • Sound levels:
    - SPL actual, Lmin, Lmax, Lpeak, Leq, gliding Leq
    -Spectrum 1/3 octave, 1/1 octave
    - Sound Exposure Level LAE (optional)
    -Percentile statistics for wide band, 1/1 and 1/3 octave spectrum: 1%, 5%, 10%,50%, 90%, 95%, 99% (optional)
    - Calculated levels(optional): LCeq - LAeq, LAIeq - LAeq, LAFT5eq -LAeq
    - Clock-impulsemaximum level "TaktMax" according DIN 45645-1 (optional)
  • Logging to SD Card:
    - All levels
    - Short-time levels includingspectrum for 1 second or longer
    - 100 ms intervals optional
    - Wav-file(linear wav-files with 24 bit, 48 kHz optional)
  • Frequency weighting: A, C, Z (=flat)
  • Time weighting: Fast, slow and optional impulse
  • Correction values k1, k2
  • Limit monitoring showing exceeding sound levels
  • Digital I/O interface for the control of external peripherals
  • Remote measurement acquisition (optional)

Acoustic Analyzer:

  • FFT Analysis
  • RT60 Reverberation Time
  • Polarity
  • Delay
  • Pass/Fail Measurements (optional)


  • Speech Intelligibility Measurement
  • IEC60268-16 (edition 4.0, 3.0 and 2.0), ISO 7240-16, ISO 7240-19, DIN VDE0828-1, DIN VDE 0833-4
  • Ambient Noise Correction
  • Automated Averaging
  • Modulation Indices

Audio Analyzer:

  • Level RMS
  • THD+N
  • Frequency
  • Scope

Flexible User Interface

The flexible user interface may be configured for the demands of advanced and basic users.  Advanced users may access all menus, settings and store their preferred measurement configurations.  Basic users choose from a set of preconfigured profiles at the start up with fixed instrument settings according the application requirements.  This ensures accurate measurements in any situation.

NOTE: For more information, please see the spec sheet, user manual and leaflet found under the "Documentation" tab. 

M4260 Measurement Microphone

NTI's M4260 measurement microphones are 48V phantom powered and include an electronic data sheet. The Automated Sensor Detection (ASD) of the XL2 Analyzer automatically reads this data, i.e. the microphone model and calibration data. This promotes faster setup and ensures accurate measurements.

The microphone bodies contain the preamplifier. They combine high dynamic range and wide frequency range with low noise. These measurement microphones connect via the ASD Cable to the XL2 Audio and Acoustic Analyzer, e.g. for measurements at remote locations or to reduce acoustic reflections.


  • Omnidirectional, free-field microphone
  • Phantom power: 48 VDC
  • Electronic data sheet installed
  • Frequency range: 5 Hz - 20 kHz
  • Individual frequency response available as Excel-data
  • Optional calibration certificate
  • The M4260 is formed by a combination of the MA220 preamplifier and a dedicated 1/4" fixed microphone capsule


  • Classification IEC 61672 ANSI S1.4: Class 2/Type 2 Certified
  • Microphone Capsule: 1/4" fixed
  • Dynamic range: 29-144 dB
  • Typical Applications: Live sound, installations, broadcast, occupational health
Ever-Ready Pouch for XL2 Audio/Acoustic Analyzer
NTI 600-000-335 Ever-Ready Pouch for XL2 Audio/Acoustic Analyzer
NTI's 600-000-335 Ever-Ready Pouch protects the XL2 during transport and operation.  With its convenient belt-clip, the XL2 can be kept close by for those tasks requiring both hands.  The Ever-Ready Pouch allows operation of the ...
74.87 75.00

In Stock
48V to ICP Power Adapter for XL2 Audio Analyzer
NTI ICP Adapter ASD 48V to ICP Power Adapter for XL2 Audio Analyzer
The ICP® Adapter ASD (part no. 600 010 223) from NTi Audio connects to NTi's XL2 Audio Analyzer and generates ICP power supply for accelerometers and other custom sensors. This adapter offers an electronic data sheet, which stores ...
275.32 285.00

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Free Shipping Available
For XL2 Audio Analyzer
NTI Battery Charger For XL2 Audio Analyzer
This battery charger (part no. 600 000 332) from NTi Audio efficiently recharges batteries for NTi's XLR Audio and Acoustic Analyzer. One spare Li-Po battery is included with the charger.
218.48 230.00 5

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XL2 Instrument System Case
NTI 600-000-334 XL2 Instrument System Case
NTI's 600-000-334 compact system case provides the professional transport protection for work in the field.  It offers space for the handheld instruments, cables and connectors.NOTE: Contents in the case pictured above do NOT ...
149.73 150.00

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ASD Cable for XL2
NTI 600-000-336 ASD Cable for XL2
The ASD Cable allows for extended connections of the NTi Audio measurement microphones. It supports the transfer of the electronic data sheet from the microphone to the XL2 Analyzer. You may chain up to 4x ASD Cables together in tandem. ...
74.87 75.00

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