Sony ECM-44 wired lavalier

Model Number: 
ECM- 44
View of the wired lapel microphone
Usage Instructions: 

The Sony ECM-44B Lavalier Microphone makes the exceptional quality of Sony's electret condenser microphones available for budget conscious productions, and a variety of sound reinforcement requirements, such as lectures and demonstrations. Measuring only 8.5 x 14.5mm, the ECM-44B reduces the visual distraction to the audience. The ECM-44B can be depended upon for clean, bright, yet natural reproduction. To maintain its low cost, this microphone operates on a single AA 

Unique Features Instructions: 

Sony ECM-44B Specs

Transducer Electret Condenser
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 (0dB=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 (dB SPL)(0 dB=20µP) 122 dB
Power Requirements 'AA' Battery (1.5v DC)battery power only, does not accept phantom power
Output Impedance 250Ω, (+/-20% (1kHz) 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: 0.6 x 0.34" (14.5 x 8.5mm) LxD
Power Supply: 5 x 0.82" (126.5 x 20mm) LxW
Cable: 10' x 0.09" (3m x 2.3mm) LxW
Weight Microphone: 0.07 oz. (2.0 g)