Remote Controlled

Acoustic Hailing Device

PROPA-2700P

Emergency Alert System PROPA-2700P

  • Superior Voice Intelligibility and Highly Clear Communication

  • Maximum range up to 5000 meters in ideal conditions. Operational range up to 3000 meters over 88dB of background noise. Ranges based on continuous output.

  • High Output of 161dBA

  • External USB Memory Available

  • MP3 Playback, Microphone Broadcast

  • Self-diagnostic function for amplifier and driver unit

  • Maximum Output Limitable

  • A Sight Scope for Precise Aiming

  • Embedded Amplifier and External Audio Controller

  • Driver Unit Failure Diagnosis

  • All-Weather Use

  • South Korea’s Marine Corps uses this devices.

 

 

 

PROPA-2700P specifications Catalog Download
Max. SPL 161 dBA (Peak) (1m in front) – Korea Research Institute of Standards and Science test report
Sound Projection ±15° (2kHz Sine, -3dB)
Frequency Response 500Hz~5KHz
Communication Range 3km(91dB)
Dimensions Speaker Body 990 × 824 × 430mm(W × H × D, sight device)
Weight 103kg (speaker body with a cradle)
Power Input 100∼230VAC
Power Consumption Max 5.4kW, Normal 3kW
Operating Temperature -30°C ∼ +60°C
Audio Controller Copy from USB memory
MP3 file Playback
Character LCD(Backlight) – Sunshine Readable
Handheld Dynamic Microphone
ETC Limit Max. SPL for hearing protection as customer’s request. / Embedded AMP
(5 songs)

PROPA-2700P Names of each part

 

 

 

Speaker Components
· Speaker Body(included AMPs and Power Modules) : 1ea
· Cradle for PROPA-2700PX : 1ea
· Mic : 1ea
· Sighting device : 1ea
· Fixed handles and safety pins : 1ea
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Control unit components
· Control Unit Case : 1ea
· Control Unit Stand : 1ea
· Amplifier (1800W) : 3ea
· Sound Optimization Software : 1ea
· Audio Player : 1ea
· Headphone Type Hearing Protector : 2ea
· Switchboard
· Spare Driver Unit : 2ea

Central control program and console control program

Sound Pressure Level vs Distance

– 30~50dB Quiet library, noise in the woods, bedroom
– 50~60dB General office noise
– 60~70dB Noise on large ship deck
– 70~90dB Small ship engine noise (above deck)
– 80~100dB Noisy construction site, road noise
– 120~130dB Jet noise (100m)
– 130dB Above, we started to feel pain
– 160dB Rocket firing noise
– Theoretically, We can hear sounds at 88dB at 500m, 82dB at 1km, and 68dB at 5km.

PROPA-2700P Environmental Certifications

  • Maximum Sound Pressure Level Test Report
  • Salt Fog : MIL-STD-810F, Method 509.4
  • Water and Dust Protection : IP66