Sony ECM77B Omni-Directional Electret Condenser Microphone


List Price: $512.00

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About Sony ECM77B

Perfect for television applications, Sony's ECM77B Omni-Directional Electret Condenser Microphone is a miniature lavalier microphone designed to be inconspicuous. This tiny mic runs on either phantom power or AA battery operation.

Sony ECM77B Features

  • 5.6 x 12.5mm (1/4 x 1/2"), 1.5g (0.04 oz) microphone head
  • High performance, frequency response 40Hz to 20,000Hz
  • 2-way powering-AA-size battery or external power supply
  • Black Finish
  • Complete with in-line battery unit for 2-way powering

Sony ECM77B Specifications

Electret condenser
Directivity/Polar Patterns
Frequency Response
Dynamic Range
equal to or greater than 90dB
Signal to Noise Ratio
equal to or greater than 64dB
Max Input/Sound Pressure Level
equal to or greater than 120dB SPL
Output Impedance
150ohms (Balanced)
Output Connector
Induction noise
Inherent noise
equal to or less than 30dB SPL
Wind noise
equal to or less than 40dB SPL
-52.0dB ±2dB
Power Requirements
Battery SUM-3(NS) (1.5V)
Battery Life Approx 5,000H
Ext. Power DC48V
5.6 x 12.5mm (1/4 x 1/2") microphone head
1.5g (0.04 oz) microphone head

Sony ECM77B Reviews

Reviewed by 1 customers


Reliable, High Quality Product


from Southeast US  -  Experienced

I already owned two ECM-77Bs when I bought this one from Adorama. It was to replace a Sonotrim lav that has been nothing but trouble. I really liked the audio characteristics of the Sonotrim, but it was unreliable, more sensitive to interference, and often just failed to operate. The ECM-77B is rugged, small, delivers superb sound quality and is easy to maintain. In my experience, there is no other lavaliere mic I would recommend.

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