The Vitavox watertight, pressure-tight loudspeaker and talk-back microphone is a cone type unit designed for use in external positions on submarines including the bridge and dive chamber areas.

  • Used as both a loudspeaker and a microphone
  • Maximum power output 5W (peak 20W)
  • X-rayed to ensure casting composition and integrity
  • Pressure-tight chamber formed by a body casting of high tensile naval bronze (Nickel Aluminium Bronze NES 747 Pt2)
  • Tested to maximum shock testing limits possible by QinetiQ at Rosyth
  • Mounting via a vertical support or bulkhead to ensure efficient drainage of the speaker cone
  • Secured to bulkhead by 6 x M10 or 3/8” studs
  • Effective form, fit and function replacement for the 5965-00-583-4106 Permanent Magnet Loudspeaker (NH200, C6518, LS450/B, LS450B, 815-1853087)
    • Twice the output volume
    • More ruggedised construction
    • No terminals exposed to sea water (corrosion free)
    • NOT subject to ITAR restrictions
    • Full UK design and manufacture
Product: Compact Talk-Back Submarine Loudspeaker
NSN: 5965-99-553-4267
Part Number: VQ79604
Ingress Protection: IP68
Wattage 5 Watt continuous (20 Watt peak)
Input Signal Voltage: 9V rms.
Weight: 17.59kg
Dimensions: 7.5” dia. x 6.5” (18cm dia x 16.5cm)
Main Construction Material: Nickel Aluminium Bronze, grey finish, NES747 Pt2
Environmental Spec: Full IP68, Watertight beyond MIL-STD 810H
Shock tested to: Submarine Bridge Requirement
Individually pressure tested: 69 Bar, 1000psi, 2300ft or 703m water