Sony ECM-77B

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.World... morewide-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 CondenserFrequency response: 40-20,000HzDirectivity: OmnidirectionalSensitivity (0dB=1V/Pa, at 1kHz): -52.0 dB ±2 dBOutput Impedance at 1 kHz: 150 ? ±20% (balanced)Dynamic Range: 90 dB or moreSignal-to-Noise Ratio (A-weighted, 1kHz, 1 Pa): 64 dB or moreInherent noise (0dB SPL=2E-5 Pa): 30 dB SPL or lessWind Noise (with windscreen, at 2 m/s): 40 dB or lessInduction noise from external magnetic field: 5 dB SPL or lessMaximum input sound pressure level: 120 dB SPLPower SupplyBattery: IECR9 or LR6Battery life (LR6): approx. 6000 hExternal power: DC 12 to 48 VPower Requirements: DC 1.5 VCurrent Drain:Internal Battery: 0.3 mA or lessExternal Power: 2 mA or lessCable 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) Sony ECM-77B Miniature Omnidirectional Lavalier Microphone.