Sony ECM-77B Electret Condenser Lavalier

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The ECM-77B is a miniature omnidirectional electret condenser microphone used in studio, ENG, and EFP applications. It is known for its wide frequency response, high sensitivity, and low noise characteristics. It comes supplied with an in-line battery unit, metal windscreen, two horizontal clips (single and double), one vertical single clip, 3-pin XLR connector, and carrying case.

• Capsule Type: Electret Condenser
• Frequency Response: 40 Hz to 20 kHz
• Directivity: Omnidirectional
• Sensitivity: -36.5 dB (15 mV)
• Dynamic Range: 90 dB or more
• S/N Ratio: 64 dB or more
• Inherent Noise (0dB=20µPa): 30 dB SPL or less
• Induction Noise from External Magnetic Field: 5 dB SPL or less
• Wind Noise: 40 dB SPL or less (with windscreen, at 2 m/s)
• Max SPL (dB SPL)(0dB=20µPa): 120 dB SPL
• Connector: B type. Supplied with XLR connector in power supply unit (single AA size battery)
• Power Requirements: DC 1.5 V, AA size battery or +48V phantom power
• Cable Length: 9.8 ft
• Dimensions (Diameter x Length):
  • Microphone Head: 1/4 x 1/2 in
  • Power Unit XLR Type: 13/16 x 5 1/4 in
• Weight: 4.3 oz (includes mic and power supply)