---
product_id: 330116989
title: "Sony ECM-AC2 Calibration Mic Measurement Microphone"
brand: "sony"
price: "₹ 14150"
currency: INR
in_stock: true
reviews_count: 5
category: "Sony"
url: https://www.desertcart.in/products/330116989-sony-ecm-ac2-calibration-mic-measurement-microphone
store_origin: IN
region: India
---

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

**Brand:** sony
**Price:** ₹ 14150
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Sony ECM-AC2 Calibration Mic Measurement Microphone by sony
- **How much does it cost?** ₹ 14150 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/330116989-sony-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

- • **Compact & Lightweight:** Sleek 12.7 x 8.9 x 1.8 cm design weighing just 0.09 lbs fits perfectly in any professional toolkit.
- • **Plug & Play Precision:** Corded electric power source guarantees consistent performance without battery hassles.
- • **Seamless Compatibility:** Works effortlessly with audio interfaces, mixers, and voice recorders via 3.5mm jack.
- • **Noise-Free Measurements:** 75 dB signal-to-noise ratio delivers pristine sound analysis without interference.
- • **Pinpoint Audio Accuracy:** Unidirectional polar pattern ensures crystal-clear calibration for your AV setup.

## Overview

The Sony ECM-AC2 Calibration Mic is a professional-grade, unidirectional measurement microphone designed for precise audio calibration of AV receivers and sound systems. Featuring a 75 dB signal-to-noise ratio and auto calibration optimization, it ensures accurate sound tuning. Compact, lightweight, and compatible with a wide range of audio devices via a 3.5mm jack, this corded mic is a must-have for audio professionals and enthusiasts aiming for 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.

Review: Great replacement - Works great. I had tossed my old calibration microphone. Oops. This one worked great.
Review: Good - Worked fine

## 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 out of 5 stars 492 Reviews |
| 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 | 0.09 Pounds |
| 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

![Sony 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great replacement
*by C***� on 28 May 2026*

Works great. I had tossed my old calibration microphone. Oops. This one worked great.

### ⭐⭐⭐⭐⭐ Good
*by D***R on 29 April 2026*

Worked fine

### ⭐⭐⭐⭐⭐ Perfecto
*by L***S on 1 July 2026*

Llego rapido todo funciona segun lo esperado completamente compatible con av sony str-km7500.

## 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.in/products/330116989-sony-ecm-ac2-calibration-mic-measurement-microphone](https://www.desertcart.in/products/330116989-sony-ecm-ac2-calibration-mic-measurement-microphone)

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*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-09-06*