Sony has produced over five million professional ECM (Electret Condenser Microphones) microphones and the ECM-44 is the affordable, general voice model. It provides good sound quality and is widely used in business presentation systems and TV production. The ECM-44 is available in four versions, featuring different connector types. This model, ECM-44BMP, has a 3.5mm locking jack for use with the UWP and UWP-D bodypack transmitters (excluding UTXB03HR).

Key Features

  • The ECM-44’s capsule features an emphasis curve and a suitable frequency response for voice pick-up
  • The capsule has a diameter of only 8.5mm and is 14.5mm long
  • The ECM-44BMP is compatible with the Sony UWP and UWP-D bodypack transmitters

Technical Specifications

Audio Section
Capsule Type
Electret Condenser
Frequency Response
40 Hz to 15 kHz
Sensitivity *[1]
-40.0 dB (10 mV)
Output Impedance *[2]
2.5k???30%, Unbalanced
Dynamic Range
90 dB or more
Signal-to-Noise Ratio *[3]
62 dB or more
Inherent Noise *[4]
32dB SPL or less
Induction Noise From External Magnetic Field *[5]
5 dB SPL or less
Wind Noise *[6]
40 dB SPL or less (with windscreen)
Maximum Input Sound Pressure Level *[7]
122 dB SPL
BMP type. Supplied with o3.5 mm, 3-pole mini plug.
Mic Cable
3.9 feet
1.2 m
Power Requirements
DC 1.1 V to 10.0V
Power Consumption
0.4 mA or less
Dimensions *[8]
?8.5 x 14.5 mm (Mic head)
?11/32 x 19/32 inches (Mic head)
Approx. 18 g
Approx. 0.6 oz
Supplied Accessories
Urethane type windscreen (1)
Single/horisontal type tie clip (1)
Operating instructions (1)
Mic case (1)

SKU: SNY-ECM44BMP Category:

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