Series II Iconic Unidyne Vocal Microphone

Unmistakable stage icon features signature satin chrome-plated die-cast casing for vintage look and feel.


  • Classic appearance, modern performance
  • Frequency response tailored for speech, vocals and instrumental music
  • Cardioid directional pattern for optimum performance in adverse acoustic environments
  • Shock-mounted cartridge minimizes stand-transmitted noise, ensures quiet operation
  • Rugged die cast casing for reliability under rigorous conditions
  • Self-tensioning swivel mount, permits tilting through 45 degrees forward and 80 degrees backward

Shure 55SH Series II: Iconic Unidyne Vocal Microphone



  • Dynamic (moving coil)

Frequency Response

  • 50 to 15,000 Hz

Polar Pattern

  • Cardioid

Output Impedance

  • EIA rated at 150 Ω (270 Ω actual)


at 1 kHz, open circuit voltage

  • -58.0 dBV/Pa[1]


  • Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3


  • 0.624 kg (1.37 lb)


  • Chrome-plated die casting