Underwater Speaker (SP-UND)

Product Details

speaker to be used underwater

Your athletes can no longer say that they didn’t hear you. Now you know they can!

The underwater speaker allows you the unique opportunity to coach your athletes mid-pool. Your underwater speaker should be used in conjunction with your Championship Start System, and is ideal for:

  • Talking to swimmers underwater
  • Broadcasting a recall tone
  • Clearing the pool
  • SCUBA instruction

Pair it with a wireless microphone for easy and efficient communication.

Immersed cable operates at low voltage (20 Vrms), meeting UL and EU 30 volt legal limit. Rugged military-grade PVC and EPDM construction will not leak, rust or corrode in the swimming pool environment.


  • Operating depth:  6ft (1.8 m) recommended
  • Recommended quantities:  50 ft (15.25 m) maximum one underwater speaker for a 25 yd pool
    two underwater speakers for a 50 m pool
  • Weight:  15 lbs (6.8 Kg) in air; 3 lbs (1.4 Kg) in water
  • Dimensions:  10.75 x 10.75 x 7.75 inches (27.3 x 27.3 x 19.7 cm)
Support for Underwater Speaker (SP-UND)
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Connecting an Underwater Speaker (SP-UND) F903 Download
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