OVERVIEW Shure Microflex MX400 Series microphones are miniature gooseneck-mounted electret condenser microphones designed primarily for speech and vocal pickup. They can be mounted on lecterns, pulpits, or conference tables. All models include a preamplifier and are available with interchangeable cardioid, supercardioid, or omnidirectional cartridges.


  • Wide dynamic range and frequency response for accurate sound reproduction across the audio spectrum
  • Interchangeable cartridges provide the right polar pattern for every application
  • Balanced, transformerless output for increased immunity to noise over long cable runs
  • Shock mount that provides over 20 dB isolation from surface vibration noise
  • Locking flange mount for permanently securing microphone to lecterns, pulpits, or conference tables
  • Snap-fit foam windscreen


Frequency Response 50 to 17,000 Hz

Polar Pattern  

Output Impedance (at 1000 Hz) Rated at 150 Ω (180 Ω actual)

Open Circuit Sensitivity (at 1 kHz, ref. 1 V/Pascal*)

  • Cardioid: –35.0 dB (17.8 mV)
  • Supercardioid: –33.5 dB (21.1 mV)
  • Omnidirectional: –27.5 dB (42.2 mV)

Maximum SPL (1 kHz at 1% THD, 1 kΩ load)

  • Cardioid: 124.2 dB
  • Supercardioid: 122.7 dB
  • Omnidirectional: 116.7 dB

Equivalent Output Noise (A-weighted)

  • Cardioid: 28.0 dB SPL
  • Supercardioid: 26.5 dB SPL
  • Omnidirectional: 20.5 dB SPL

Signal to Noise Ratio (referenced at 94 dB SPL)

  • Cardioid: 66.0 dB
  • Supercardioid: 67.5 dB
  • Omnidirectional: 73.5 dB



Brand Shure
Unit Of Measure Each

Be The First To Review This Product!

Help other Herkes Electrical Supplies Pty Ltd users shop smarter by writing reviews for products you have purchased.

Write a product review

Others Also Bought

More From This Category