Sony ECM-44B Omnidirectional Lavalier Microphone

Key Features
Electret Condenser
Wide Frequency Response
Battery Powered Only
Single AA Battery Provides 5000 Hours
For Live Sound and Broadcast

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Sony ECM-44B Specs

Polar Pattern	Omnidirectional
Frequency Response	40 Hz to 15 kHz
Sensitivity	-53.0 dB ±3 dB
Dynamic Range	90 dB or more
Signal-to-Noise Ratio	62 dB or more
Noise	Inherent Noise (0 dB=20µPa): 32 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)
Maximum SPL	(0 dB = 20 µP) 122 dB
Power Requirements	'AA' Battery (1.5 VDC) battery power only, does not accept phantom power
Output Impedance	250 Ohms, (+/-20% (1 kHz) balanced)
Pad	None
Low Frequency Roll-Off	None
Cable Length	9.8' / 2.9 m
Connector	B type. Supplied with XLR connector in power supply unit (single AA size battery)
Dimensions	Microphone L x D: 0.6 x 0.34" / 14.5 x 8.5 mm Power Supply L x W: 5 x 0.82" / 126.5 x 20 mm Cable L x W: 10' x 0.1" / 3 m x 2.3 mm
Weight	Microphone: 0.07 oz / 2.0 g Power supply: 4.2 oz / 119 g

Packaging Info

Package Weight	0.9 lb
Box Dimensions (LxWxH)	9.45 x 4.3 x 1.75"