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Up to 4 instruments of the same type, every published specification side by side. Rows where the values differ are tinted. A blank cell means the manufacturer does not publish that value.
Comparing 2 handheld sound level meters. Back to the category table.
| Specification | XL2 Audio & Acoustic AnalyzerNTi Audio | XL3 Acoustic AnalyzerNTi Audio |
|---|---|---|
| Status | Current | Current |
| Verified on | ||
| Manufacturer list price | USD 1,920 | USD 3,340 |
| Standards and class | ||
| IEC 61672-1 class | Class 1 | Class 1 |
| Standards (differs) | IEC 61672:2013 class 1 (XL2-TA with M2230) or class 2 (with M4261), ANSI S1.4:2014, ANSI S1.43, IEC 61260:2014 class 1, ANSI S1.11:2014 class 1, IEC 60651, IEC 60804, IEC 60268-16:2020 (STIPA option), ISO 3382 and ASTM E2235 (reverberation time), DIN 15905-5, DIN 45645-1, DIN 45657:2014, JIS C1509-1:2005, BS 4142:2014 | IEC 61672 class 1, ANSI S1.4 class 1, IEC 61260 class 1, ANSI S1.11 class 1, ISO 3382 and ASTM E2235 (reverberation time), IEC 60268-16 editions 2 to 5 (STIPA, optional), ISO 16283, ISO 717, ASTM E336 (sound insulation, optional) |
| Pattern approvals (differs) | Germany, Switzerland, France, Hungary, Poland | PTB (Germany), METAS (Switzerland), LNE (France), CEM (Spain), CMI (Czech Republic), CPA (China), Portugal, Hungary, Austria |
| Recommended calibration interval | 12 months | 12 months |
| Measurement | ||
| Channels | 1 | 1 |
| Measurement range (differs) | 17 to 137 dB(A) with M2230; 21 to 144 dB(A) with M2211; 25 to 153 dB(A) with M2215; 27 to 146 dB(A) with M4261 | 17.1 to 137.8 dB(A) with M2230; 17.4 to 138.3 dB(A) with M2340; 21 to 144 dB(A) with M2211; 25 to 153 dB(A) with M2215; 27 to 146 dB(A) with M4261; single range |
| Linearity range (differs) | 24 dB(A) to 137 dB with M2230; 25 dB(A) to 138 dB with M2340; 29 dB(A) to 144 dB with M2211; 33 dB(A) to 153 dB with M2215; 33 dB(A) to 146 dB with M4261 | 24 to 137 dB(A) with M2230; 25 to 138 dB(A) with M2340; 29 to 144 dB(A) with M2211; 33 to 153 dB(A) with M2215; 33 to 146 dB(A) with M4261 |
| Peak range (differs) | — | LCpeak 41 to 140 dB with M2230; 41 to 141 dB with M2340 (linear range at 1 kHz) |
| Frequency range (differs) | 4.4 Hz to 23 kHz (-3 dB) | 4.3 Hz to 23 kHz (level measurement); 0.3 Hz to 40 kHz hardware bandwidth |
| Frequency weightings | A, C, Z | A, C, Z |
| Time weightings | F, S, I | F, S, I |
| Simultaneous weightings (differs) | Yes | — |
| Parameters (differs) | SPL, Leq, Lmin, Lmax, Lpeak, gliding LAeq/LCeq, LAE (option), LN percentiles 1 to 99 % (option), LCeq-LAeq, LAIeq-LAeq, TaktMax, LEX, RT60 | Leq, Lmax, Lmin, Lpeak, LAE, Leq,T, Taktmax, LN percentiles, RT60 (T20, T30; EDT and T15 optional), D, Dn, DnT, R' (optional), STI, CIS (optional) |
| Analysis | ||
| Octave bands | 1/1 and 1/3 | 1/1 and 1/3 |
| Octave band filter class (differs) | class 1 (IEC 61260:2014, ANSI S1.11-2014); 1/1 octave 8 Hz to 16 kHz, 1/3 octave 6.3 Hz to 20 kHz | class 1 (IEC 61260, ANSI S1.11), base 10; 1/1 octave 8 Hz to 16 kHz, 1/3 octave 6.3 Hz to 20 kHz |
| FFT (differs) | 143 bins per display range; zoom FFT to 0.4 Hz resolution, 5 Hz to 20 kHz (option) | — |
| Reverberation time | Yes | Yes |
| Building acoustics | Yes | Yes |
| Speech intelligibility | STIPA | STIPA |
| Audio recording | Yes | Yes |
| Logging and data | ||
| Shortest logging interval (differs) | 100 ms (option); 1 s standard | 100 ms (Extended Noise option); 1 s standard |
| Memory (differs) | removable SD card, 8 GB supplied | removable 32 GB micro-SDHC card (FAT32/NTFS); external SSD supported |
| Hardware | ||
| Microphone (differs) | M2230 1/2" class 1 certified (type approved); M2211 class 1 frequency response; M4261 class 2; M2215 high SPL; XLR 48 V phantom | M2230 or M2340 1/2" class 1 certified (type approved); M2211, M2215, M4262, M2914 also offered; electronic data sheet read automatically |
| Detachable preamplifier | Yes | Yes |
| Outdoor microphone kit (differs) | WP30 / WP40 weather protection; Basic and Heavy Duty Outdoor Cases | WP30-90 weather protection; weatherproof case IP43/65 (600 000 704/05) |
| Weather sensors | Yes | Yes |
| Display (differs) | 160 x 160 pixel greyscale with LED backlight | 4.3" IPS colour capacitive multi-touch display, 480 x 800 |
| Battery (differs) | rechargeable Li-Po 3.7 V 2260 mAh, or 4 x AA | removable rechargeable Li-Ion, typ. 3.6 V / 6000 mAh |
| Battery life (differs) | 4 h | 8 h |
| External power (differs) | 7.5 to 20 V DC (9 V DC adapter); USB for short-term operation | 9 V DC or USB-C |
| Weight (differs) | 480 g | 500 g |
| Dimensions (mm) (differs) | 180 x 90 x 45 | 210 x 85 x 45 |
| IP rating | IP51 | IP51 |
| Operating temperature (°C) (differs) | -10 to 50 | -10 to 50 (mechanical section; power section of the same sheet states -20 to 60) |
| Connectivity and software | ||
| Connectivity (differs) | USB mini-B, digital I/O, XLR and RCA inputs, 3.5 mm headphone output, TOSLink (prepared) | USB-C, USB-A, WiFi 2.4 GHz, LAN (via USB adapter), 4G/5G via external gateway, GPS (accessory) |
| Remote control (differs) | Remote Measurement option; NetBox for NoiseScout and MeasurEye cloud platforms | built-in web server and file server (browser), NTi Connect, MeasurEye cloud platform, optional API |
| Software (differs) | Data Explorer, Sound Insulation Reporter, Room Acoustics Reporter, XL2 Projector PRO, NoiseScout, MeasurEye | MeasurEye, Data Explorer, Sound Insulation Reporter, Room Acoustics Reporter, Sound Power Reporter, NTi Connect |
| Latest firmware (differs) | V4.93, May 2026 | V1.62, October 2026 |