Sony ECM77BC/9X
ECM77B W/SMC9-4P Connector


Our Price: $315.95
List Price: $364.00
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Omni-directional electret condenser microphone with a 3.9 ft cable and SMC9-4P connector. The ECM-77BC/9X offers enhanced shielding, increasing the microphone's immunity to RFI. The microphone has a gray colored sleve covering the mic cable at the BC connector.

The ECM-77 offers a wide frequency response of 40Hz - 20kHz. The wide frequency response allows the microphone to accurately reproduce audio signals from a wide variety of sources. The miniature profile enables the microphone to be easily concealed in broadcast and performance situations. The omnidirectional pattern provides even frequency and sensitivity response at the direct and off-axis sections of the microphone capsule.


  • Weight: 0.9 oz
  • Power Requirements: DC 1.1 to 10.0V
  • Dimensions: 1/4 diameter X 1/2 inch (Microphone head)
  • S/N Ratio: 64 dB or more
  • Sensitivity: -52.0dB ±2dB
  • Cable Length: 3.9 feet
  • Directivity: Omni-directional
  • Frequency Response: 40-20,000Hz
  • Connector: SMC9-4P 4-pin (BC Type)
  • Capsule Type: Electret Condenser
  • Dynamic Range: 90dB or more
  • Finish: Black
  • Induction Noise from External Magnetic Field: 5 dB SPL or less
  • Model Variations: BC type. Supplied with Sony 4-pin (SMC9-4P) connector
  • Wind Noise: 40 dB SPL or less (with windscreen, at 2 m/s)
  • Current Drain (Ext. Power): 0.4 mA or less
  • Inherent Noise (0dB=20µPa): equal to or less than 30dB SPL
  • Max SPL (dB SPL)(0dB=20µP): 120 dB SPL
  • Output Impedance at 1kHz (Balanced) (1/2 ± 20%): 2.5 kO ±30% (unbalanced)
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