35W

  • SJM-740SW : Mic, Siren, Whistle
  • SJM-828SW(25W) : Mic, Siren, Whistle, only for public institution

A outstanding recommended model from samjoo for Multi Purposes

  • Excellent for construction areas, noisy streets, police stations, fire stations, military exercises, school events and outdoor events under 350 people.
  • Grab it with hands or hold it over the shoulder. (Refer to photos)
  • Advantageous in using for a long term as the microphone is detachable.
  • Durable and outstanding designs
  • The phone code is 2.5m long.

Specification
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Specification
Power Max. 35W
Power Source DC 12V(Battery CM 1.5Vx 8PCS)
Dimensions 211 ∅x 365mm
Net Weight(without battery) 1.7Kg
City Area 600m
Out Side of the City 1,400m
Battery life(Voice) 10hours
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Big Size Horn 260∅!!

  • SJM-840A : Mic
  • SJM-840SW : Mic, Siren, Whistle

Generating capacity is equal to SJM-740SW but it uses a horn size of 260Φ, which is whole lot greater than that of the existing ones of 211Φ.

The sound is majestic and reaches further.

Specification
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Specification
Power Max. 35W
Power Source DC 12V(Battery CM 1.5Vx 8PCS)
Dimensions 260 ∅x 386mm
Net Weight(without battery) 1.84Kg
City Area 600m
Out Side of the City 1,400m(1,520yard)
Battery life(Voice) 10hours
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