Will this work with the model str-k700?

In my experience so far calibration much are universal.

Sony Ecm Ac2 Calibration Mic Measurement Microphone

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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€ 131.82

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

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Description

🎧 Calibrate like a pro, sound like a legend.

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.

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.

Specifications

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 490 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	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

Reviews

C**�

Great replacement

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

28.05.2026

D**R

Good

Worked fine

29.04.2026

L**S

Perfecto

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

1.07.2026

N**S

It works

Works great just like the OEM one.

21.02.2026

A**D

A bit pricey, but you might not have a better option.

It's the oem calibration mic for my model of receiver, so it works as expected. I wish I had been able to find the mic that came with the receiver, but I had to buy this one, instead.

19.01.2026

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€ 131.82

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago