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MK-IV (INT) 3-Diver Air Intercom (International Charger)

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Product details

Brand: OTS

Military 3 Diver Intercom, Headset, Charger and Battery, European Plug

The MK-IV Three Diver Air Intercom represents state-of-the-art technology and innovation second to none. Military divers throughout the world have been waiting for a product of this quality. This robust three diver air box has features specifically designed for the military diver. First and foremost, a third channel designed for the “Standby Diver.” This allows the safety diver will be on line with the other two working divers. The Auxiliary output receptacle is designed to operate with an optional helium unscrambler.


  • Heavy Duty MS connectors and Knobs
  • Individual Volume Controls for Tender and Each Diver
  • Pre-Amplified Military Style Microphone Circuit (Front Panel)
  • Hawker Cyclon 12 Volt 5.0 Ah Rechargeable 6-Cell Battery Pack
  • LED Low Battery Indicators with Low Battery Tone Alarm
  • Heavy Duty - Weather Resistant Housing
  • State-of-the-Art Circuitry
  • Divers protected by GFCI and Transformer isolation


MK-IV - Aquacom® 3 Diver Intercomm Specifications

Input Power
12V External Source; internal 12 volt rechargeable battery; 90-264 VAC, 47-63 Hz
Battery Type/Life
Hawker Cyclon 12V, 5.0Ah sealed lead-acide 6 cell battery pack. 14 hours, continuous use (assuming a full charge). Charge time for batteries is 3-5 hours.
Number of Divers
One, Two, or Three divers with independent controls
Output Power
16 watts max (4 per diver and 2 watts each for tender headset and panel speaker).
Freqency Reponse
300-4,000 Hz
Inputs/ Ouputs
Diver umbilicals (3), tender headset, AC/Charger power, 12 Volt DC power, lines out (line out is 1 volt which is standard level), remote speaker, auxilary
Connector Types
MS (tender headset, diver umbilicals, AC/Charger power, Auxilary, line out, remote speaker) double banana (DC Power)
Mic Input Types
Dynamic or Power mic (switch selectable)
Operating Temperature
Storage Temperature
0°C to 60°C (32°F to 140°F)
-10°C to 60°C (14°F to 140°F)
Protection Circuits
GFCI: thermal breaker (transformer isolate divers from shock hazards)
Battery Level Indicator
3-stage LED
Molded composite
Front Panel
.080 stainless steel, powder coated
9.0" (cover off), 15.0" (cover on), Width: 13.75", Depth: 12.5", Weight: 28 lbs

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