Sony ECM-77BMP Omnidirectional Lavalier Microphone with 1/8" Locking Mini-Plug for Sony UWP Series and WRT-805 Body-Pack Transmitters

Model #ECM-77BMP

Sony Warranty
Sony ecm 77bmp 1
Sony ecm 77bmp 1
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Packaging Info

Package Weight 0.1 lb
Box Dimensions (LxWxH) 6.2 x 1.6 x 1.0"

General Information

Frequency Response 40 Hz - 20 kHz
Dynamic Range (Typical) Greater than 90 dB
Signal-to-Noise Ratio 64 dB @ 1 kHz
Maximum Input Sound Level 120 dB @ 1 kHz, (1% THD)
Power Requirements Phantom (48v DC)
Output Impedance 150 Ohms +/-20% (1 kHz) Balanced
Transducer Electret Condenser
Case Protective Carrying Case
Pad None
Low Frequency Roll-Off None
Applications Radio, Television and Broadcast.
Dimensions .5 x .25" (12.5 x 5.6mm) LxW
Weight 0.053 oz. (1.5 g)
Output Connectors 1/8" Mini-Plug with Locking Mechanism for Use with the WRT-805A Beltpack Transmitter.
Polar Pattern Omnidirectional
User Reviews
B h photo.34921152
9 November 2017

I've used the ECM-77B to record about 35 documentary-style interviews in the past year. I'm consistently impressed with the quality of recording it produces. I don't want to speak to its noisiness in any way because I think it varies depending on your setup, but I use it with a Tascam digital...

B h photo.34921152
3 January 2017

We use this for sit down interviews all over the world. Our mics are beat up in luggage, carted in backpacks to small villages and always sound the same. I rent these out and they come back fine. Sound quality is probably a 8-9 out of 11.

B h photo.34921152
25 May 2017

This mike has a good pattern, small enough to hide, great for the speaking vocal range, and essential for use with Sony transmitters. Sony transmitter pack a lot into their signal, (encryption, pairing signal, along with the freq.

B h photo.34921152
23 October 2015

I use this mic for making tutorial videos. I use Rode invisilav to hide my mic(also noisefree) and attach on teachers body. And use zoom h4n for recording audio saparately. Great sound. Noisefree.

B h photo.34921152
6 December 2017

Use this microphone in the past twenty years, the sound quality is very best & very low noise. I've got 2 ECM77 & 1 set ECM88.

B h photo.34921152
12 June 2019

Good microphone. Thanks.

B h photo.34921152
10 November 2017

classic microphone

B h photo.34921152
22 September 2016

Used by students in a college news program these mics are durable and provide good sound under a variety of conditions.

B h photo.34921152
16 May 2016

First time buy for videoing interviews. Recommended buy a pro. Perfect for my needs!

B h photo.34921152
3 February 2016

Great mics. I use these for legal video. Very solid and great audio

Product Highlights
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