Sony ECM-88B Electret Condenser Lavalier Microphone and DC-78 Power Supply, 20 Hz to 20 kHz Frequency Response


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About Sony ECM-88B

The Sony ECM-88B is a miniature omni-directional electret-condenser microphone ideally suited for quality-critical applications in broadcasting, theater and field production. This lavalier mic achieves high-sensitivity and has a flat-and-wide frequency response. The ECM-88B offers extremely low handling noise with unparalleled high sound quality.

The ECM-88B comes with a DC-78 power supply and it has a cable length of 8.2 feet. This model is best suited for wired lav mic applications. However; with the DC-78 power supply disconnected, the ECM-88B's 4-pin (SMC9-4P) connector can also be used with Sony WRT-822B and WRT-8B wireless mic body-pack transmitters.

Sony ECM-88B Features

  • Miniature Design: The microphones ultra-miniature design provides the level of concealment needed for the stage and on camera
  • DC-78 Power Supply: The ECM88B includes the DC-78 phantom power supply with 3-pin XLR male output connection
  • High Sonic Character: The condenser element provides a wide, flat frequency response and high dynamic range resulting in clean, quiet recordings
  • Water Resistant: The microphone is designed to resist moisture caused by the elements or sweat

Sony ECM-88B Specifications

Capsule Type
Electret Condenser
Frequency Response
20 Hz to 20 kHz
-52 dB +/- 2 dB (when used with DC-78), -39.0 dB (11.2 mV) for BC.
Dynamic Range
99 dB or more
S/N Ratio
68 dB or more
Inherent Noise (0dB=20µPa)
26 dB SPL or less
Induction Noise
5 dB SPL or less
Wind Noise
45 dB SPL or less (with supplied windscreen, at 2 m/s)
Max SPL (dB SPL)(0dB=20µP)
125 dB SPL
SMC9-4P 4-pin on microphone. Also supplied with DC-78 Power Supply Unit for XLR output connection
Cable Length
8.2 feet / 2.49 m
Power Requirements
ECM-88B 4-pin connector: DC 1.1 to 10.0 V. ECM-88B with DC-78 Power Supply connected: Two-way powering; battery operation (AA-size battery) or external DC operation (12 to 48 V)
0.156" x 0.68" / 0.39 x 1.72 cm (Microphone head)
0.81"(dia) x 5.75" / 2.05 x 14.60 cm (DC-78 Power Unit)
0.7 oz / 19.84 g (Mic Only), 5.7 oz / 161.59g (Including Mic and DC-78 Power Supply)
Mfr #
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