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The Sony ECM-55B is an omnidirectional lavalier microphone designed for broadcast, sound reinforcement, and recording applications. The condenser element features a compact profile allowing it to be easily concealed in performance and broadcast situations. The omnidirectional polar pattern provides even frequency and sensitivity response at the direct and off-axis sections of the microphone capsule.
The ECM-55B provides a wide frequency response of 30 Hz to 18 kHz for accurate reproduction of audio signal from a variety of sources. The attached 9.8' cable features a power unit with an XLR 3-pin output. It may be operated via the internal battery or 12 to 48 VDC phantom power. The ECM-55B includes tie clips, a metal mesh windscreen, and a microphone case.
| Polar Pattern | Omnidirectional |
| Frequency Response | 30 Hz to 18 kHz |
| Dynamic Range (Typical) | ≥ 98 dB |
| Signal-to-Noise Ratio | ≥ 66 dBA at 1 kHz, 1 Pa |
| Maximum Input Sound Level | 126 dB SPL at 1 kHz |
| Output Impedance | 100 Ohms (± 20%, 1 kHz Balanced) |
| Output Connector | XLR 3-Pin Male |
| Cable Length | 9.8' / 3 m |
| Low Frequency Roll-Off | None |
| Battery Life | Up to 6000 Hours |
| Power Requirements | 1.5 VDC AA Battery or 12 to 48 VDC Phantom Power |
| Power Consumption | Internal Battery: ≤ 0.3 mA External Battery: ≤ 2 mA |
| Dimensions | Microphone Head: 0.4 x 0.8" / 10.6 x 21.0 mm Power Supply: 0.8 x 5.2" / 20 x 133 mm |
| Weight | 4.5 oz / 126.5 g with Power Supply Unit |
Packaging Info
| Package Weight | 0.93 lb |
| Box Dimensions (LxWxH) | 9.45 x 4.3 x 1.8" |
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