35W

  • SJM-740A : Mic
  • SJM-740SW : Mic, Siren, Whistle
  • LC 311(Vietnam OEM)

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
Power Max. 35W
Power Source DC 12V(Battery CM 1.5Vx 8PCS)
Dimensions 211 ∅x 365mm
Net Weight(without battery) 1.7Kg
City Area 400m(434yard)
Out Side of the City 1,400m(1,520yard)
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
Power Max. 35W
Power Source DC 12V(Battery CM 1.5Vx 8PCS)
Dimensions 260 ∅x 386mm
Net Weight(without battery) 1.84Kg
City Area 400m(434yard)
Out Side of the City 1,400m(1,520yard)
Battery life(Voice) 10hours
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