Mobile Sirenenanlage Streethailer MH-360-4 360° Fahrzeuglautsprecher

Mobile siren Streethailer 360° Car Speaker System

The VocCom Audio Streethailer system is designed for quick temporary installation on vehicle roofs.

A magnetic plate or alternatively a suction cup mount is available for this purpose.

The system consists of the 360° loudspeaker MH-360-4 with 130 dB sound power and the control console APM-250 with integrated MP3 player/recorder, AdHoc recording, pre-listening speakers and DSP amplifiers.

The APM-250 can be operated via a standard 15A cigarette lighter socket.


The system serves as a mobile siren system and announcement system on the roofs of cars, vans and trucks for warning the population in case of disasters or for information during the Corona pandemic. Optionally available is an integrated, evidence-proof GPS-supported log recorder that records position, announcements made, day, time and emitted sound pressure

Key Facts

  • 200 metre coverage around the vehicle
  • 360 degree sound source
  • High Intelligibility natural voice reproduction – (unlike a megaphone)
  • Fitted in minutes
  • Cost-effective and portable
  • 100% feedback protection by Ad-Hoc(R)
  • Hearing protection safety system by AP-LOCK(R)
  • Direct speech recording and replay
  • Instant replay of up to 999 MP3 files
  • Integrated MP3 player
  • Large LC-Display
  • Configurable Sirensounds
  • Monitor loudspeaker
  • USB Data transfer
  • Dimmable display illumination
  • Adjustable audio compressor
  • Large control elements permit use while wearing gloves

Use of the mobile siren Streethailer system on a van with certified magnetic holder