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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
300W Rugged Directional Long Range Horn Speaker
500W Rugged Directional Long Range Horn Speaker
300W Horn speaker with VMS for snow truck

Product Information

This is a system installed in a snow plow and broadcasting warning.

 

This system consists of a speaker for warning broadcasting and VMS for information about traffic congestion and accident.

 

It was designed to be installed on a snow plow. When it works on a roadway to remove snow, it is necessary to warns the rear access vehicle to ensure safety work.

 

In particular, VMS literally communicates traffic conditions to keep drivers for their safe driving.

 

Itt can be installed on other construction vehicles such like a TMA. 

Image
  • snow-truck-px100

  • px100-front

  • speaker-px100

  • vms-px100

Feature

1) Product Composition

      - Acoustic part built in Amplifier 

      - VMS

      - Brackets for Speaker & VMS

      - Cable 

      - Remote Controller

2) Operation Power : DC12 ~ 24V

3) Output Power : 300W

4) Distance Range : about 1Km

5) Operational Range : 300m

6) SPL in Max. : 146dB

7) Size : 900 X 222 X 319mm

Spec

1. Speaker

 

ITEM

SPECIFICATION

TYPE

COMPRESSION DRIVER UNIT * 1 pcs

METERIAL & FINISH

BLACK SEMI-CLASS FINISH

MOUNTING

1 3/8 -18 UNEF Threaded throat

OVERALL DIMENSION

133mm Diamete, 98mm Deep

VOICE COIL IMP

8 ohm ± 15% / DCR 6.8 ohm ± 5%

POWER RATING

RMS 300 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

2,704 g (95.39 oz)

 

2. Amplifier 

 

ITEM

SPECIFICATION

4 ohm stereo output

100W * 2CH

2 ohm stereo output

200W * 2CH

4 ohm bridge output

300W * 1CH

Fuse capacity

1 * 30A AMP ATO

DIMENSION

400 * 320 * 100

Frequency Range

3dB 10Hz TO 40KHz

Signal / Noise Factor

>100dB

Distortion rate

0.04

Input sensitivity

300 mV - 4V

minimum effective resistance

2 ohm stereo / 2 ohm bridge

Rated voltage

DC 24V

NET WEIGHT (AMP CASE NET)

3Kg + 2.86Kg

 

3. VMS

 

ITEM

SPECIFICATION

product usage environment

LED DISPLAY

light emitting display

1 TON- RED,YELLOW

3 TON - RED/GREEN/YELLOW/BLUE

OUT COLLAR

BLACK / SILVER

method of communications

infrared light, / PC(RS-232)

rated power input·output

AC 220V / DC12C /DC24V

consumption of electrical power

20W / MAX40W(1TON)40W / 80W (3TON)

memory capacity

TEXT KOREA(99) / ENGLISH(99)

power cord

ac 220v

NET Weight

3.5Kg

out size

860*225*70

 

Company
DOOKWANG CO., LTD

DOOKWANG CO., LTD

Country South Korea South Korea

Supplier Grade

level0

President
SANG-IL, PARK
Address
427beon-gil Naechon-myeon Pocheon-si Gyeonggi, 12-2,5dong, Pocheon-si, Gyeonggi-do, Korea
Product Category
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