Sennheiser HSP4-EW

Condenser cardioid mic with 3.5mm connector for Evolution transmitters


In Stock


Sennheiser HSP4-EW Headworn microphone featuring very lightweight design and superlative audio quality. Permanently polarized variant of the MKE platinum condenser capsule with cardioid polar pattern designed for professional “hands free” applications.  The adjustable neckband is visually unobtrusive and very comfortable to wear.  HSP4 is available in black or beige, and can be ordered with connector for 3000 & 5000 series wireless, evolution wireless, or without connector (stripped and tinned leads). Includes modular snap-on cable and hard carrying case.


  • Modular overall system, i.e. all system components are easily interchangeable and combinable
  • Excellent feedback rejection
  • Microphone includes a detachable cap as integral wind/popshield
  • Individually adjustable to all head sizes
  • Twist-proof microphone boom (Ø 2.0 mm), can be attached to the left or right side (removable attachment clip)
  • Flexible gooseneck section
  • Connection cable can easily be interchanged
  • Attachment clip for microphone boom can be interchanged
  • All metal parts coated in a physical vapour deposition process


  • Transducer principle (Microphone) – pre-polarised condenser microphone
  • Frequency response – 40 – 20 000 Hz
  • Cable length- 1,6 m Microphone
  • Diameter capsule: 8,4 mm
  • Diameter boomarm: 2,4 mm
  • Pick-up pattern – cardioid
  • Sensitivity in free field, no load (1kHz) – 4 mV/Pa
  • Nominal impedance – 1000 Ω
  • Min. terminating impedance – 4700 Ω
  • Equivalent noise level – 37 dB(A)
  • Maximum sound pressure level (passiv) – 150 dB