Sony ECM-77B Miniature Omnidirectional Lavalier Microphone

Perfect for television applications, Sony's ECM77B Omni-Directional Electret Condenser Microphone is a miniature lavalier microphone designed to be inconspicuous.

This tiny mic runs on either phantom power or AA-battery operation. The ECM77B comes with an attached XLR connector.

Features:

• Miniature, omni-directional electret condenser microphone.
• Worldwide-acclaim for performance and reliability in studio, ENG, and EFP applications.
• Wide frequency response, high sensitivity, and low-noise characteristics.
• Miniature design makes it easy to conceal in a costume.

Specifications:

• Capsule type: Electret Condenser
• Frequency response: 40-20,000Hz
• Directivity: Omnidirectional
• Sensitivity (0dB=1V/Pa, at 1kHz): -52.0 dB ±2 dB
• Output Impedance at 1 kHz: 150 ? ±20% (balanced)
• Dynamic Range: 90 dB or more
• Signal-to-Noise Ratio (A-weighted, 1kHz, 1 Pa): 64 dB or more
• Inherent noise (0dB SPL=2E-5 Pa): 30 dB SPL or less
• Wind Noise (with windscreen, at 2 m/s): 40 dB or less
• Induction noise from external magnetic field: 5 dB SPL or less
• Maximum input sound pressure level: 120 dB SPL
• Power Supply
  • Battery: IECR9 or LR6
  • Battery life (LR6): approx. 6000 h
  • External power: DC 12 to 48 V
• Power Requirements: DC 1.5 V
• Current Drain:
  • Internal Battery: 0.3 mA or less
  • External Power: 2 mA or less
• Cable length: 9.8 feet (3.0 m)
• Dimensions:
  • Microphone head: 1/4" diameter x 1/2" length (5.6mm x 12.5mm)
  • Power unit: 13/16" diameter x 5 1/2" length (20.0mm x 133mm)
• Weight:
  • Microphone head only: 0.05 oz (1.5 g)
  • Total: 4.3 oz (122 g)