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Sub-Miniature Omni-Directional Lavalier Microphone

The Sony ECM-90 Electret Condenser Microphone is an ultra-compact, dual diaphragm omnidirectional microphone capsule.

The ECM-90has – as Sony puts it: “a flat-and-wide frequency response” of 20 Hz to 20 kHz, a dual-diaphragm mechanism that reduces the cable noise and a splash-proof design built to withstand every-day use.

Product ID:
ECM-90
Product grouping:
Lavalier Microphones

The ECM-90 has a flat-and-wide frequency response of 20 Hz to 20 kHz, a dual-diaphragm mechanism that reduces the cable noise and a splash-proof design built to withstand every-day use.

The ECM-90 is available with two different connectors

ECM-90BC comes with a Sony 4-pin (SMC9-4P) connector

ECM-90LM comes with a 3-pin Lemo connector

Capsule Type
Electret Condenser
Frequency Response
20 Hz to 20 kHz
Directivity
Omni-directional
Sensitivity *[1]
BC Type. -38 dB (12.6mV)
LM Type. 40 dB (10mV)
Output Impedance *[2]
BV Type. 2.5 kΩ (unbalanced)
LM Type. 6.3 kΩ (unbalanced)
Dynamic Range (typ.)
99 dB
Signal-to-Noise Ratio (typ.) *[3]
68 dB
Inherent Noise (typ.) *[4]
26 dB SPL
Wind Noise *[5]
45 dB SPL or less (with supplied windscreen)
Maximum Input Sound Pressure Level (typ.) *[6]
125 dB SPL
Connector
BC type. Supplied with Sony 4-pin (SMC9-4P) connector
LM Type. 3-pin Lemo connector
Mic Cable
BC Type. 3.9 feet/1.2 m
LM Type. 5.2 feet 1.6m
Power Requirements
BC Type. DC 1.1 V to 10.0 V
LM Type. Supplied from Sony wireless system transmitters
Dimensions *[7]
5/32 x 5/32 x 21/26 inches (Mic head) 3.5 x 3.5 x 20.5 mm (Mic head)
Mass (microphone body, excluding cable)
Approx. 0.035oz Approx. 1g
Supplied Accessories
Urethane type windscreen (1)
Single/vertical type tie clip (1)
Single/horisontal type tie clip (1)
Operating instructions (1)
Optional Accessories
Wind screen pack
Vertical clip pack
Safety clip pack
Horizontal clip pack
Double clip pack
Color windscreen pack
Black windscreen pack
Accessory kit