PHO 421 is an ultra-light, ultra-comfortable headset offering excellent speech intelligibility and clear voice transmission in all situations.

Applications

  • Show & Events
  • Audiovisual
  • Industry and services
  • Refeering
  • Coaching

Headset

High-quality micro-earphones

Comfort

Long-lasting comfort

Freedom

No pressure around the head and no discomfort: total freedom

Crystal-clear sound

Excellent speech intelligibility: crystal-clear sound

Technical specifications

  • Microphone sensitivity: -44 (±4) dB re. 1V/Pa at 1 kHz
  • Microphone type: Electret, noise cancelling
  • Speaker sensitivity: 94 dBA @ 150 mVRMS
  • Earphone impedance: 50 Ω DC, 100 Ω @ 1 kHz
  • Cable pulling force: 50 N
  • Operating temperature range : -20°C – +60°C
  • Electromagnetic compatibility (EMC) EN 55022, EN 55024
  • Supplied with a generic earphone kit: left and right earphones and 3 silicone inserts.
  • Also available with molded ear shell on request.