Sony ECM-77B Miniature Omnidirectional Lavalier Mic

BH #SOECM77B • MFR #ECM77B
Sony ECM-77B Miniature Omnidirectional Lavalier Mic
Key Features
  • For Theater, Live & Studio Use
  • Omnidirectional Pickup Pattern
  • Runs on 48V Phantom or AA Batteries
  • Includes Windscreen, Clips & Case
The Sony ECM-77B is a miniature omnidirectional lavalier microphone designed for professional broadcast, sound reinforcement, and recording applications. The condenser element features a miniature profile allowing it to be easily concealed in performance and broadcast situations. The omnidirectional pattern provides even frequency and sensitivity response at the direct and off-axis sections of the microphone capsule.
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Sony ECM-77B Overview

  • 1Description
  • 2Omnidirectional Pattern
  • 3Dual Power
  • 4Miniature Profile
  • 5Standard XLR Connection

The Sony ECM-77B is a miniature omnidirectional lavalier microphone designed for professional broadcast, sound reinforcement, and recording applications. The condenser element features a miniature profile allowing it to be easily concealed in performance and broadcast situations. The omnidirectional pattern provides even frequency and sensitivity response at the direct and off-axis sections of the microphone capsule.

The ECM-77 provides a wide frequency response of 40 Hz to 20 kHz. The wide frequency response enables the microphone to accurately reproduce audio signal from a wide variety of sources. The ECM-77B is powered with an external 48V phantom power source or AA alkaline battery. The ECM-77B is manufactured with a variety of connectors to accommodate various input devices, this version features a standard 3-pin XLR male connection.

Omnidirectional Pattern

The omnidirectional pattern provides even sensitivity and frequency response at the direct and off-axis sections of the microphone capsule.

Dual Power

The ECM-77B is powered with a single AA alkaline battery or external 48 volt phantom power source.

Miniature Profile

The miniature, unobtrusive profile enables the microphone to be easily concealed in broadcast and performance situations.

Standard XLR Connection

The ECM series is available in a variety of connections, this version features a standard 3-pin XLR male connection.
UPC: 027242632486

Sony ECM-77B Specs

Microphone
Form FactorLavalier
Sound FieldMono
CapsuleElectret Condenser
Polar PatternOmnidirectional
PadNone
High-Pass FilterNone
IndicatorsNone
WindscreenFoam (Included)
Performance
Frequency Range40 Hz to 20 kHz
Maximum SPL120 dB SPL
Impedance150 Ohms at 1 kHz
Sensitivity-52 dB (1 kHz)
Dynamic Range90 dB
Signal-to-Noise Ratio64 dB A-Weighted
Equivalent Noise Level30 dB SPL
Connectivity
Output Connectors1 x XLR 3-Pin Balanced
Cable Length9.84' / 3 m
Power
Operating Voltage48 V (Phantom Power)
1.5 V (Battery Power)
Operating Current Consumption2 mA (Phantom Power)
Battery Type1 x AA
Approximate Battery Life6000 Hours
Physical
ColorBlack
MountingMic Clip (Included)
Dimensionsø: 0.22 x L: 0.49" / ø: 5.6 x L: 12.5 mm (Microphone)
ø: 0.79 x L: 5.24" / ø: 20 x L: 133 mm (Preamp)
Weight4.3 oz / 122 g
Packaging Info
Package Weight0.875 lb
Box Dimensions (LxWxH)9.4 x 4.25 x 1.75"
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YOUR RECENTLY VIEWED ITEMS

question

Is it safe to use a NiMH battery (Eneloop) in a Sony ECM-77B lavalier mic?
Asked by: David M.
It is safe. I use them all the time. However, make sure they're not more than a year old if you're using them on critical assignments. They tend to go from 100% to flat much faster as they age.
Answered by: Amit T.
Date published: 2020-06-24

question

Do we need a special cable to work with the Canon T6i?thanks!
Asked by: John D.
In order to connect the Sony ECM-44B to a DSLR camera we recommend using the Kopul LMT-100 cable. this is designed specifically for this application.
Answered by: Jeff P.
Date published: 2018-08-27

question

What do you use to connect this Sony ECM-77B Lavalier Mic to Sony AX 100 ?
Asked by: Anonymous
The Sony ECM-77B is a battery or phantom powered lav. You would use an XLR to 3.5mm adapter cable to plug it into a Sony AX 100. You can find this cable on the B&H website part number B&H # KOXRSM06.
Answered by: John P.
Date published: 2018-08-27

What is difference between 77 "B" vs "BPT" vs ...

What is difference between 77 "B" vs "BPT" vs "BMP" vs "BC" versions? Want lav mic with XLR for Audient ID4 in podcast set up. (ECM-77B vs ECM-77BPT vs ECM-77BMP vs ECM-77BC).
Asked by: Matthew
You’ll want the “B” version and possibly an XLR cable to extend it. https://pro.sony/s3/2018/01/23101755/a_1175_a_LavalierMics.pdf
Answered by: Tim
Date published: 2021-01-19

question

does it have connections for a t5i?
Asked by: Anonymous
It came with the XLR adapter only.
Answered by: Steven K.
Date published: 2018-08-27

question

How does this compare with the 44B at half the price if I'm willing to go with a larger mike. That is, if I don't need the smaller profile, would the 44B do as well?!
Asked by: Thomas
I needed a 2nd ECM-77B to match the one we already had.
Answered by: Steven K.
Date published: 2018-08-27

question

Is there a belt clip for the silver cylinder?
Asked by: David
Hi David M, Unfortunately no. Ralph
Answered by: Anonymous
Date published: 2018-10-24
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