---
product_id: 90057674
title: "NTI 600 000 338 XL2 STI-PA Speech Intelligibility Option"
brand: "nti americas"
price: "₨8861"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/90057674-nti-600-000-338-xl2-sti-pa-speech-intelligibility-option
store_origin: SC
region: Seychelles
---

# 7 octave band modulation analysis Complete signal chain testing STI-PA speech intelligibility measurement NTI 600 000 338 XL2 STI-PA Speech Intelligibility Option

**Brand:** nti americas
**Price:** ₨8861
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your PA game with crystal-clear speech intelligibility — don’t let your message get lost in the noise!

## Quick Answers

- **What is this?** NTI 600 000 338 XL2 STI-PA Speech Intelligibility Option by nti americas
- **How much does it cost?** ₨8861 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/90057674-nti-600-000-338-xl2-sti-pa-speech-intelligibility-option)

## Best For

- nti americas enthusiasts

## Why This Product

- Trusted nti americas brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Industry Standard:** Backed by NTI Americas, ensuring reliable, repeatable results for critical public announcement systems.
- • **Advanced Octave Band Insights:** Displays detailed modulation indices across seven octave bands for pinpoint audio tuning.
- • **Precision Speech Clarity Metrics:** Measures speech intelligibility per IEC 60268-16:2003 for crystal-clear PA system performance.
- • **Plug-and-Play Test CD & Generators:** Comes with STI-PA Test CD, Minirator MR-PRO, and TalkBox for immediate, professional-grade diagnostics.
- • **Comprehensive Signal Chain Analysis:** Includes acoustic and line input generators to test every audio pathway end-to-end.

## Overview

The NTI 600 000 338 XL2 STI-PA Speech Intelligibility Option is a professional-grade audio testing solution designed to measure and optimize speech clarity in public announcement systems. Compliant with IEC 60268-16:2003 standards, it provides detailed STI and CIS results, including modulation indices across seven octave bands. Equipped with a test CD and signal generators for both line inputs and voice microphones, it ensures comprehensive signal chain analysis for flawless audio performance.

## Description

The STI-PA function measures the speech intelligibility of public announcement systems according the latest revision of IEC 60268-16:2003 standard. The XL2 displays the measurement results as STI or as CIS results, accompanied by the individual levels and modulation indices of the seven octave bands. The measurement results are acquired from the dedicated STI-PA test signal, generated by the included STI-PA Test CD.Minirator MR-PRO, test signal generator, required for audio systems with line inputsNTi Audio TalkBox, acoustic signal generator, required for audio systems with voice microphones, thus measuring the complete signal chain

## Features

- Included STI-PA Test CD
- Minirator MR-PRO, test signal generator, required for audio systems with line inputs
- NTi Audio TalkBox, acoustic signal generator, required for audio systems with voice microphones, thus measuring the complete signal chain

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076X2WC8J |
| Best Sellers Rank | #273,919 in Musical Instruments ( See Top 100 in Musical Instruments ) #2,118 in PA Systems #81,282 in Music Recording Equipment |
| Date First Available | October 27, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.5 pounds |
| Manufacturer | NTI Americas |
| UPC | 663647976031 |

## Product Details

- **Brand:** NTI Americas
- **Connectivity Technology:** XLR
- **Connector Type:** XLR
- **Included Components:** Microphone
- **Item Weight:** 2.5 Pounds
- **Microphone Form Factor:** Mini
- **Number of Channels:** 1
- **Polar Pattern:** Unidirectional
- **Power Source:** Corded Electric
- **Recommended Uses For Product:** Speech

## Images

![NTI 600 000 338 XL2 STI-PA Speech Intelligibility Option - Image 1](https://m.media-amazon.com/images/I/311OFeObxtL.jpg)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-10*