db 1 - Portable High SPL Remote Audio Engine System
db 1 - Portable High SPL Remote Audio Engine System
db 1 - Portable High SPL Remote Audio Engine System
db 1 - Portable High SPL Remote Audio Engine System

db 1

Portable High SPL Remote Audio Engine System

db1 is portable,high SPL megaphone consisting of rotational molding box and compressed driver, MP3 players, front controller, lithium battery, dedicated battery charger, transmitter, straps and other components, small size, light weight, portable hand or shoulder carry with a variety of installation methods, can meet the most application needs.As a remote directional PA ,with features of portable, heavy duty, directional, high intensity, high-definition , easy to operate to achieve long-range hailing and warning, deterrence, Equipped with MP3 player and microphone for playing any contents as you need. Whether applying for search ,rescue,patrol or police crowd (include control or evacuation,traffic and entrance control,checkpoint etc.),this movable strong voice broadcasting,low power consumption,safe and easy operation system can be used to enhance public safety. 


  • Small power, high SPL, digital amplifier inside active speaker

  • 90mm compression high-frequency driver 

  • Equipped with MP3 player and USB, SD, FM radio and Bluetooth, optional wireless microphone

  • Set button for the effect control of high and low frequency 

  • Whole system with small volume, light weight with 4.5kg 

  • Water, dust and drop resistance for outdoor use(IP45)

  • System integrated 1-channel transmitter input, 1-channel line input

  • Built-in high efficiency switching power supply, providing high power support

  • Built-in large-capacity lithium battery, matching more than 8 hours of sound reinforcement requirements

  • Directional , high SPL and definition that make the good language intelligibility which can up to 85% when the distance up to 1000 meters

  • Equipped with a rain cover in back of transmitter, can better protect digital amplifier, box top-handle design with straps for easy carry

  • Application for using in crowd guidance, warning and disperse, military exercises, prevention emergency evacuation, remote warning guidance, entrance control and illegal immigrant


Acoustical specifications
Frequency Response(-3db):
Max SPL @ 1m:
Dispersion (H x V):
80° x 50°
Input/Output section
Power section
Physical specifications
Dimension (W x D x H):
285 x 180 x 315mm / (11.2 x 7.1 x 12.4in)
Package Dimensions (W x D x H):
395 x 255 x 435mm / (15.6 x 10 x 17.1in)
Net Weight:
4.5 kg / 9.9 lb
Gross Weight:
7 kg / 15.4 lb

db 1 Application

    db 1 Installation

      db 1 Parts

        db 1 Cases

          db 1 Collocation



              db 1β3 db 1 Datasheet 1.0db 1  200KB 2022-05-20 18:13:12