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The powerful ERU68BSW is a multi-functional UHF wireless transistor megaphone with siren and whistle function.


  • Siren, Siren & Whistle function.
  • Use the wired microphone or the wireless microphone for that extra portability
  • Multiple power sources
    Using “D” cell batteries or via 12V DC from yourvehicle, from a SLA battery, or any 10~13.8V DC power source
  • Amplifier output power 45 Watts max.
  • 3.5mm auxiliary input
    Connect an endless type of audio sources to broadcast
  • UHF Module unit: WTU811 (PLL UHF SYNTHESIZED) UHF 798 ~ 827 MHz



  • Power: MAX 45W
  • Range: 0.8~2.2km depending on operating conditions
  • Battery: 10x “D” type batteries (not supplied)
  • External power source: 12V battery or 10-13.8V DC
  • Battery: About 20 hours for voice, About 2 hours for signal
  • Dimensions (HxWxD) : 350mm (dia.) x 505mm (L) / 13.8″ (dia.) x 19.9″ (L)
  • Weight (Approx.): About 3.4kg (7.50 lbs) (without battery)



  • Megaphone
  • Wired microphone
  • UB8H Wireless microphone
  • WTU-811 UHF non-diversity wireless tuner module: 798 ~827 MHz
  • 6m car charger lead


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