Sennheiser HSP 4 EW
Cardioid Headset Microphone for Evolution Wireless Systems in Black


The Sennheiser HSP 4 EW headworn microphone features 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. HSP 4 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.

Sennheiser HSP 4 EW Includes:

  • Boom microphone
  • Neckband
  • Clips for attaching the microphone boom
  • Connection cable
  • Foam windshield
  • Plastic transport case, foam-lined with cut-outs
  • Operating instructions

Sennheiser HSP 4 EW Features:

  • Excellent feedback rejection
  • Microphone includes a detachable cap as integral wind/popshield
  • Individually adjustable to all head sizes
  • Neckband design keeps the microphone clear from shirt-collar or clothing
  • Twist-proof microphone boom (Ø 2.0 mm), can be attached to the left or right side
  • Microphone boom is adjustable in length and angle
  • Flexible gooseneck section
  • Connection cable can easily be interchanged
  • All metal parts coated in a physical vapour deposition process
  • Can also be used with the omni-directional HSP 2 boom microphone

Sennheiser HSP 4 EW Specifications:

  • Frequency Response:  40 Hz - 20 kHz
  • Sensitivity in Free Field, No Load (1 kHz):  4 mV/Pa
  • Nominal Impedance:  1000 Ohms
  • Min. Terminating Impedance:  4700 Ohms
  • Equivalent Noise Level:  37 dB(A)
  • Maximum Sound Pressure Level (Passive):  150 dB
  • Current Consumption:  ca. 250 µA
  • Operating Voltage (Stand Alone):  4.5 - 15 V
  • Diameter:
    • Capsule:  8.4 mm
    • Boom Arm:  2.4 mm
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