---
product_id: 330116989
title: "ECM-AC2 Calibration Mic Measurement Microphone"
brand: "sony"
price: "AED 321"
currency: AED
in_stock: true
category: "Sony"
url: https://www.desertcart.ae/products/330116989-ecm-ac2-calibration-mic-measurement-microphone
store_origin: AE
region: United Arab Emirates
---

# Auto calibration optimizer Unidirectional precision capture 75 dB signal-to-noise ratio ECM-AC2 Calibration Mic Measurement Microphone

**Brand:** sony
**Price:** AED 321
**Availability:** ✅ In Stock

## Summary

> 🎧 Calibrate like a pro, sound like a legend.

## Quick Answers

- **What is this?** ECM-AC2 Calibration Mic Measurement Microphone by sony
- **How much does it cost?** AED 321 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/330116989-ecm-ac2-calibration-mic-measurement-microphone)

## Best For

- sony enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Sony Quality:** Backed by Sony’s legacy and 4.7-star user satisfaction for reliable performance.
- • **Lightweight & Portable:** Compact 41g design fits perfectly in any professional toolkit or studio setup.
- • **Noise-Free Calibration:** 75 dB signal-to-noise ratio delivers pristine measurement without interference.
- • **Plug & Play Simplicity:** 3.5 mm jack connectivity for seamless integration with audio interfaces and mixers.
- • **Pinpoint Audio Accuracy:** Unidirectional mic design ensures crystal-clear calibration for your AV setup.

## Overview

The Sony ECM-AC2 is a professional-grade calibration microphone designed for precise audio measurement and optimization of AV receivers. Featuring a unidirectional polar pattern, 75 dB signal-to-noise ratio, and easy 3.5 mm jack connectivity, it ensures accurate sound calibration with minimal noise interference. Lightweight and portable, it’s the trusted choice for audio engineers and enthusiasts seeking flawless sound performance.

## Description

This product comes into the house of Sony. This product will be an excellent pick for you. Comes in a proper and secure packaging.

## Features

- Brand: Sony
- Part Number 154277421/ 1-542-670-21/ 154271011/ 1-542-710-11/ 154267021/ 1-542-774-21
- Packed with features
- This product will be an excellent pick for you

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075QGCLWR |
| Antenna Location | Calibration Optimizer Microphone for Speakers SONY AV Receiver |
| Audible Noise | 75 Decibels |
| Brand | Sony |
| Built-In Media | Microphone |
| Color | Black |
| Compatible Devices | Audio Interface, Audio Mixer, Voice Recorder |
| Connectivity Technology | Auxiliary |
| Connector Type | 3.5 mm Jack |
| Customer Reviews | 4.7 4.7 out of 5 stars (485) |
| Enclosure Material | Plastic |
| Frequency Range | 100 hz 16 khz |
| Impedance | 2200 Ohms |
| Item Dimensions | 12.7 x 8.9 x 1.8 centimeters |
| Item Weight | 41 g |
| Manufacturer | Sony |
| Mfr Part Number | 43235-69996 |
| Microphone Form Factor | Handheld |
| Model Name | 154277421 |
| Model Number | 154277421 |
| Number of Channels | 1 |
| Polar Pattern | Unidirectional |
| Power Source | Corded Electric |
| Signal-to-Noise Ratio | 75 dB |
| Special Feature | Auto Calibration Measurement Optimizer Setup Microphone for AV Receivers |

## Product Details

- **Brand:** Sony
- **Connectivity technology:** Auxiliary
- **Connector type:** 3.5 mm Jack
- **Model name:** 154277421
- **Recommended uses for product:** Calibration Optimizer Microphone for Speakers SONY AV Receiver

## Images

![ECM-AC2 Calibration Mic Measurement Microphone - Image 1](https://m.media-amazon.com/images/I/61y-m9cqE2L.jpg)

## Questions & Answers

**Q: Will this work with a Sony strdh790**
A: This should work!

**Q: how long is the cord?**
A: 15 feet

**Q: Will this work with my yamaha cx-a 5200?**
A: No

**Q: Will this work with the model str-k700?**
A: In my experience so far calibration much are universal.

## Frequently Bought Together

- New Sony Calibration Mic Measurement Microphone ECM-AC2 Part Number 154277421 1-542-670-21 154271011 1-542-710-11 154267021 1-542-774-21, Auxiliary
- Amazon Basics Speaker Cable, Easy Assembly, 16-Gauge, Bronze, 100 ft
- FosPower Banana Plugs 12 Pairs / 24 pcs, Closed Screw 24K Gold Plated Speaker Plug Connectors for Speaker Wire, Wall Plate, Home Theater, Audio/Video Receiver, Amplifiers and Sound Systems

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**Shop now:** [https://www.desertcart.ae/products/330116989-ecm-ac2-calibration-mic-measurement-microphone](https://www.desertcart.ae/products/330116989-ecm-ac2-calibration-mic-measurement-microphone)

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*Product available on Desertcart United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-06-17*