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Fast & Reliable Availability
We distribute our stock across multiple warehouses to ensure quick processing and delivery.
Need something urgently for Click & Collect?
If an item shows as in stock, please call us on 01442 292929 or email sales@proav.co.uk to confirm availability before visiting.

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The Sony ECM-90LM Electret Condenser Microphone is an ultra-compact, dual-diaphragm omnidirectional microphone capsule designed for quality-critical applications in ENG, Studio, EFP, and Location Sound applications.
The ECM-90LM 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 everyday use.
The ECM-90LM is a water-resistant design maintaining sound clarity in almost any application or environment and is shielded for use with digital wireless transmitters.
Key Features:
| Microphone | |
|---|---|
| Sound Field | Mono |
| Capsule | Electret Condenser |
| Polar Pattern | Omnidirectional |
| Performance | |
| Frequency Range | 20 Hz to 20 kHz |
| Maximum SPL | 125 dB SPL Peak |
| Impedance | 2.5 Kilohms |
| Sensitivity | 38 dB at 1 kHz |
| Dynamic Range | 99 dB A-Weighted |
| Signal-to-Noise Ratio | 68 dB A-Weighted |
| Equivalent Noise Level | 26 dB A-Weighted |
| Connectivity | |
| Output Connector | 4-Pin Hirose |
| Cable Length | 3.9' / 1.19 m |
| Power | |
| Operating Voltage | 1.1 to 10.0 V |
| Physical | |
| Length | 0.81" / 20.5 mm |
| Diameter | 0.14" / 3.5 mm |
| Weight | 0.04 oz / 1.13 g |