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1 DOOKWANG CO., LTD

Country South Korea South Korea

Supplier Grade

level0

Main products 50W Warning Horn Speaker detected by Shock
500W Rugged Directional Long Range Horn Speaker
300W Rugged Directional Long Range Horn Speaker
300W Horn speaker with VMS for snow truck

Product Information

It is a warning device that transmits sound information such as an alarm sound to a collision vehicle and workforce at work-zone on a roadway.

 

This is an one piece that contains a horn speaker, amplifier, battery and mecury tilt S/W module. 

 

It is mounted on reflexive collapsible cones and deploy them in the direction of the coming vehicles to detect and alert the workforce at work-zoen. 

 

When the incoming vehicle hits the cones, it senses it and emits an a big alarm over 130dB around. 

 

The alert sound is continued for 30 seconds. 

 

The installer in charge of this work has to check its battery and operation in advance. 

Image
  • px200s2

  • px200s-on-a-cone

  • hit-by-a-car1

  • hit-by-a-car

  • adaptor

  • terminal-of-battery

  • px200s1

Feature

1) Product Composition

      - Acoustic part built in Amplifier and battery

      - String to hold

      - Cable for charging

2) Output Power : 50W

3) Operational Range : 20m

4) SPL in Max. : 130dB

5) Size : 100 X 140 X 100mm

5) Weight : 1.3Kg

Spec

1. Speaker

 

ITEM

SPECIFICATION

TYPE

COMPRESSION DRIVER UNIT

METERIAL & FINISH

BLACK SEMI-CLASS FINISH

MOUNTING

1 3/8 -18 UNEF Threaded throat

OVERALL DIMENSION

96mm Diamete, 56.5mm Deep

VOICE COIL IMP

4 ohm ± 15% / DCR 3.6 ohm ± 5%

POWER RATING

RMS 50 watts continuous

FREQ. RESPONCE

150 - 5000 ㎐ (-20dB peck)

S.P.L

123 ㏈/W ± 2㏈ / Measured 1.2kHz at 3.3ft (100cm) on axis 1.0 wattage input.

BUZZERS& RATING

Must not evident when sweeping from 120Hz to 5.0kHz at 8.8 constant voltage

NET WEIGHT

840 g

 

2. Amplifier

 

ITEM

SPECIFICATION

4 ohm bridged output

50W

Fuse capacity

 

AMP CASE Size

 

Frequency Range

3dB 10Hz TO 30KHz

Signal / Noise Factor

>97dB

Distortion rate

0.03

Input sensitivity

300 mV - 8V

minimum effective resistance

MONO

Rated voltage

DC12V

 

 

Company
DOOKWANG CO., LTD

DOOKWANG CO., LTD

Country South Korea South Korea

Supplier Grade

level0

President
SANG-IL, PARK
Address
5dong, 12-2, 427beon-gil Naechon-myeon Pocheon-si Gyeonggi, Pocheon-si, Gyeonggi-do, Korea
Product Category
Security & Protection,Other Consumer Electronics,Police & Military Supplies,Roadway Safety,Industrial Equipment Alarms
Year Established
2015
No. of Total Employees
1-50
Company introduction

Dookwang Co., Ltd is a manufacturer of road & traffic safety products in Korea. 

 

Based on 30 years of accumulated acoustic technology, we have developed some of specific acoustic devices and lauched the new concept of brand name for road & traffic safety. It's "Directional Long Range Acoustic Device(DLRAD)". 

 

As a result of successful result, we supplied DLRADs to Korea Highway Corp., and continue to develop and launch various products. 

 

Moreover, to improve efficienty and safety in roadway, we are constantly deveoping visual products with associated equipments. 

 

To answer the needs of overseas, we are proceeding the standardiztion now.  

Main Markets
  • U.A.E. U.A.E. ,
  • Germany Germany ,
  • Israel Israel ,
  • India India ,
  • Japan Japan ,
  • Kuwait Kuwait ,
  • Qatar Qatar ,
  • Saudi Arabia Saudi Arabia ,
  • Thailand Thailand ,
  • Viet Nam Viet Nam