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These electret types are worn over the ear, and are 'ideal for a variety of multimedia presentation applications ranging from seminars, conferences to lectures and workshops'. They are fitted with connectors suitable for use with Sony radiomics.


The omnidirectional ECM-322BC ear worn microphone can be worn on either left or right ear with the microphone boom clipping onto the required side for balance. The microphone is terminated with Sony SMC9-4P 4-pin connector for use with WRT-8B, 822A, or 822B bodypack transmitters.

Supplied accessories: Headband, clip, carrying case, operating instructions.

Polar pattern: Omnidirectional. Frequency response: 50Hz – 18kHz. Sensitivity: -42dB, 7.94mV, +/-3dB. Output impedance (1kHz): 1.4kohm +/- 30%, unbalanced. Dynamic range: 81dB. Signal to noise: 60dB or more, A-weighted. Wind noise: 55dB SPL or less. Power requirements: 2-10V DC. Current drain: 1.3mA or less. Cable length: 1.2m. Dimensions (diameter x length): 8.4 x 168mm. Weight: 10g, without connector.


This has the same properties as the ECM-322BC however it is terminated with a 3-pole locking mini-jack for use with the Sony UWP series bodypack transmitters.

  Description Price (£) Add to basket
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SONY ECM-322BC MICROPHONE Over-ear, omni-directional, for WRT-8B, 822B radiomic, Hirose, black Black Stock code: 91-960
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SONY ECM-322BMP MICROPHONE Over-ear, omni-directional, for UWP series radiomic, screw jack, black Black Stock code: 91-961
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