---
product_id: 59550280
title: "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"
brand: "sony"
price: "46397CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "Sony"
url: https://www.desertcart.sn/products/59550280-new-sony-calibration-mic-measurement-microphone-ecm-ac2-part-number
store_origin: SN
region: Senegal
---

# High 75 dB signal-to-noise ratio Auto-calibration precision Compatible with 150+ Sony receivers 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

**Brand:** sony
**Price:** 46397CFA
**Availability:** ✅ In Stock

## Summary

> 🎧 Tune in like a pro—calibrate your soundscape flawlessly with Sony ECM-AC2!

## Quick Answers

- **What is this?** 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 by sony
- **How much does it cost?** 46397CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/59550280-new-sony-calibration-mic-measurement-microphone-ecm-ac2-part-number)

## 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

- • **Broad Compatibility:** Works seamlessly with over 150 Sony AV receivers—future-proof your home theater setup.
- • **Trusted Sony Quality:** Genuine Sony accessory designed to optimize your AV receiver’s sound calibration.
- • **Plug-and-Play Convenience:** Corded electric power source means no batteries, no downtime—just reliable performance.
- • **Effortless Speaker Calibration:** Auto-calibration ensures perfect sound balance without manual hassle.
- • **Crystal Clear Audio Measurement:** 75 dB signal-to-noise ratio delivers accurate sound profiling for immersive audio.

## Overview

The Sony ECM-AC2 Calibration Microphone is a professional-grade boundary mic designed for precise auto-calibration of Sony home theater AV receivers. Compatible with over 150 Sony models, it features a high 75 dB signal-to-noise ratio and corded electric power for consistent, accurate speaker output optimization. Elevate your audio experience with genuine Sony reliability and effortless setup.

## Description

SONY ECM-AC2 Calibration Microphone will work with these SONY receivers (about 150 models and more Sony receivers with other brands not listed here); BDV-E300, BDV-E370, BDV-E570, BDV-E580, BDV-E500W, BDV-E770W, BDV-E780W BDV-IS1000, BDV-IT1000, BDV-T10, BDV-T11, BDV-T57 BDV-T58, BDV-HZ970W, DAV-DX155, DAV-DZ170 DAV-DZ171 DAV-DZ175 DAV-DZ1000, DAV-DZ110, DAV-DZ111, DAV-DZ118K, DAV-DZ119, DAV-DZ120, DAV-DZ120K, DAV-DZ150K, DAV-DZ151KB, DAV-DZ210D, DAV-DZ230, DAV-DZ231, DAV-DZ250M, DAV-DZ260, DAV-DZ266K, DAV-DZ270, DAV-DZ275M, DAV-DZ280, DAV-DZ360WA, DAV-DZ361W, DAV-DZ370, DAV-DZ3K, DAV-DZ410, DAV-DZ520K, DAV-DZ530, DAV-DZ531W, DAV-DZ555M, DAV-DZ556KB, DAV-DZ560, DAV-DZ570, DAV-DZ570M, DAV-DZ620K, DAV-DZ630, DAV-DZ660, DAV-DZ665K, DAV-DZ670M, DAV-DZ680, DAV-DZ720, DAV-DZ750K, DAV-DZ777, DAV-DZ77T, DAV-DZ7T, DAV-DZ810W, DAV-DZ820KW, DAV-DZ830W, DAV-DZ850KW, DAV-DZ850M, DAV-DZ860W, DAV-DZ870M, DAV-DZ870W, DAV-DZ970WA, DAV-F200, DAV-F500, DAV-FX900KW, DAV-FXG99K, DAV-FXG9K, DAV-HDX265, DAV-HDX275, DAV-HDX285, DAV-HDX277WC, DAV-HDX287WC, DAV-HDX501W/S, DAV-HDX585, DAV-HDX587WC, DAV-HDX589W, DAV-IS10, AV-IS50, DAV-X10, HT-DDW1500, HT-DDW1600, HT-DDW5000, HT-DDW680, HT-DDW700, HT-DDW7000, HT-DDW780, HT-DDW880, HT-DDW885, HT-DDW890, HT-DDWG800, HT-IS100, HTP-36DW, HTP-36SS, HTP-78DW, HTP-78SS, HT-SF470, HT-SF1000, HT-SF1100, HT-SF1200, HT-SF1300, HT-SF2000, HT-SF2300, HT-SS360 HT-SS370, HT-SS380, HT-SS1000, HT-SS1000P, HT-SS1100, HT-SS1200, HT-SS1300, HT-SS2300, STR-DA1200ES, STR-DA1800ES, STR-DA2800ES, STR-DA3200ES, STR-DA3300ES, STR-DA3400ES, STR-DA3500ES, STR-DA3600ES, STR-DA3700ES STR-DA4600ES, STR-DE400, STR-DG500, STR-DG520, STR-DG600, STR-DG700, STR-DG710, STR-DG720, STR-DG800, STR-DG820, STR-DG910, STR-DG1000, STR-DH500, STR-DH520, STR-DH540, STR-DH550, STR-DH710, STR-DH720, STR-DH720HP, STR-DH740, STR-DH740, STR-DH750, STR-DH770, STR-DH790, STR-DH800, STR-DH810, STR-DH820, STR-DH830, STR-DN840, STR-DN850, STR-DN860, STR-DN1005D, STR-DN1010, STR-DN1020, STR-DN1030, STR-DN1040, STR-DN1050, STR-DN1060, STR-DN1070, STR-DN2010, STR-KG800, STR-KS370

Review: Good replacement - Works great
Review: It works - It worked for my Sony amp and an Onkyo amp I calibrated so no complaints here. Much better than doing it manually.

## Features

- Genuine SONY ECM-AC2 Calibration Microphone for SONY Audio Video Receiver Home Theater systems. Pic 2 shows common Error Codes in the event that auto calibration fails. The auto calibration process may fail if the front and surround speakers or microphone are not properly connected.
- The Sony Calibration Measurement Microphone are compatible with most Sony receivers for calibrating correct speaker output levels.
- For a list of compatible Sony receivers (about 150 models) scroll down to see Product Description below.
- (Pic 2) shows common Error Codes in the event that auto calibration fails. The auto calibration process may fail if the front and surround speakers or microphone are not properly connected.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B075QGCLWR |
| Best Sellers Rank | #21 in Professional Video Microphones |
| Customer Reviews | 4.7 4.7 out of 5 stars (501) |
| Date First Available | July 24, 2017 |
| Is Discontinued By Manufacturer | No |
| Item dimensions L x W x H | 5 x 3.5 x 0.7 inches |
| Item model number | 154277421 |
| Manufacturer | Sony |
| Microphone Form Factor | Boundary |
| Number of Channels | 1 |
| Other display features | Wireless |
| Power Source | Corded Electric |
| Product Dimensions | 5 x 3.5 x 0.7 inches |
| Signal-to-Noise Ratio | 75 dB |
| Special features | Auto Calibration Measurement Optimizer Setup Microphone for AV Receivers |

## Product Details

- **Brand:** Sony
- **Color:** Black
- **Compatible Devices:** Home Theater
- **Connectivity Technology:** Auxiliary
- **Connector Type:** 3.5 mm 1/8" mono Jack Plug
- **Included Components:** microphone
- **Item Weight:** 1.44 ounces
- **Polar Pattern:** Unidirectional
- **Recommended Uses For Product:** Calibration Optimizer Microphone for Speakers SONY AV Receiver
- **Special Feature:** Auto Calibration Measurement Optimizer Setup Microphone for AV Receivers

## Images

![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 - 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

### ⭐⭐⭐⭐⭐ Good replacement
*by R***R on December 5, 2025*

Works great

### ⭐⭐⭐⭐⭐ It works
*by J***E on December 1, 2025*

It worked for my Sony amp and an Onkyo amp I calibrated so no complaints here. Much better than doing it manually.

### ⭐⭐⭐⭐⭐ It works
*by N***S on February 21, 2026*

Works great just like the OEM one.

## 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
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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-03-10*