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Sony ECM-MS2 Electret Condenser Mic

Affordable compact stereo microphone, ideal for mounting on professional compact camcorders.


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Affordable compact stereo microphone, ideal for mounting on professional compact camcorders.

Short and Compact

The compact 137-mm length of Sony’s ECM-MS2 prevents inadvertent vignetting of the microphone when it is attached to a handheld professional camcorder such as the PMW-100. Also, this short length is convenient when packing and transporting the microphone with a compact camcorder.

n Stereo and Mono Operation

The ECM-MS2 offers mono operation when stereo is not required, simply by cutting off the power supply to the right channel. This capability is useful when connecting, for example, a wireless microphone system on one channel while recording environmental sounds on the other channel. The microphone is therefore suited to applications such as news gathering and documentary shooting on location.

Professional Quality

Professional quality is assured by XLR3P outputs which enable connection to professional camcorders for 48-volt phantom powering. The microphone’s metal body also enhances audio performance by blocking vibration, resonance, and RF noises.

Unique Accessory

The supplied furry wind screen suppresses the strong wind noise typical of harsh-climate operating conditions. A cable tie is also supplied to fasten the unplugged microphone cable during mono operation.


Type Back electret condenser microphone
Stereo type MS (Mid-Side) stereo microphone
Power supply External power supply 40 V to 52 V DC (IEC 61938 P48)
Power consumption Stereo: 3 mA or less x 2Ch
Monaural: 3 mA or less
Output connector Cannon XLR-3-12C type x2
Dimensions 24 dia. x 137 mm (31/32 dia. x 5 1/2 in.)
Mass Approx. 160 g (5.6 oz.)
Supplied accessories Wind screen (1), Cable tie (1), Operating instructions (1), Warranty booklet (1)


Frequency response Stereo: 80 Hz to 20,000 Hz
Monaural: 70 Hz to 20,000 Hz
Directivity Uni-directional
Output impedance 30 Ω ±20%, balanced
Sensitivity (deviation ±3 dB) Stereo: -32 dB 1)
Monaural: -36 dB 1)
Signal-to-noise ratio 69 dB or more (IEC 179 A-weighted, 1 kHz, 1 Pa)
Inherent noise 25 dB SPL or less 2)
Wind noise 45 dB SPL or less (with wind screen)
65 dB SPL or less (without wind screen)
Induction noise from external magnetic field 0 dB SPL/1 x 10-7 T (1 mG) or less
Maximum input sound pressure level 125 dB SPL or more (input level for 1% waveform distortion at 1 kHz, converted into equivalent input sound pressure level) 2)
Dynamic range 100 dB or more
Operating temperature 0 °C to 50 °C (32 °F to 122 °F)
Storage temperature -20 °C to +60 °C (-4 °F to +140 °F)

1) 0 dB=1 V/Pa, 1 kHz
2) 0 dB SPL=2x10-5 Pa

Design and specifications are subject to change without notice.