Check out our NEW Spectrum Full Face Mask!


Liquid Productions FFM Audio Sample on Vimeo

OTS offers a complete line of full face masks and Ultrasonic Transceivers designed for the Sport Diver to enhance your diving letting you share the excitement of diving while the action is happening.

From Microphones, Earphones, full face masks, surface stations, advisory kits, Buddy Phones, transceivers and more, OTS offers a complete line of through-water transceivers, hard-wire and support items designed to meet the needs of the Commercial Diver.

Industrial strength through-water transceivers and Hard-wire Underwater Communications custom designed to meet the demanding needs of Search & Rescue Teams. Built to be pushed all day long, these Clear Communication Solutions are rugged and offer many features others dream about.

Designed to ensure they meet the specific tactical demands of military forces across the globe. OTS has proven themselves as the world leader in underwater communications.

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OTS has been the choice for big screen production, television, and internet mediums in front of and behind the camera. Our equipment is used in popular aquariums and Las Vegas shows to improve the audience experience.

Learn to maintain your Full Face Mask!  OTS teaches technical courses on both the OTS Guardian as well as the Interspiro (AGA) mask.  You will also find complete access to our User Manual Library here as well.