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UW30 Underwater Loudspeaker

Built for installation in both fresh and salt water pools, the UW30 can even be safely installed in ocean environments.
In Stock
Code: UW30
Installation: Wet Areas
Industry: Maritime, Mining
Government: Universities
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» General Description

UW30 Commercial Underwater Speaker with Waterproof, 3-Conductor 15m Cable 

(UW30 speaker & cable only)

UW30 is a completely sealed loudspeaker designed for underwater applications rated power 30 watts at 8 ohms ideal for applications including swimming, diving courses, hotels, leisure parks and special applications such as test laboratories and saunas.

Sound is a type of wave that travels through a medium, such as air or water. When sound waves reach our ears, they cause vibrations in the eardrum and the bones of the middle ear. These vibrations are then converted into electrical signals by the inner ear and sent to the brain, where we perceive them as sounds.

However, when we are underwater, sound waves travel differently than in air. They are faster, stronger, and higher-pitched. They also bypass the eardrum and the bones of the middle ear and reach the inner ear directly through the bones and tissues of our head. This means that we can hear sounds underwater even if we close our ear canal. It also means that we may hear sounds that are too high-pitched for us to hear on land.

Underwater speakers are devices that can produce sound waves that travel through water. They can be used for various purposes, such as communication, entertainment, education, and therapy. They can help you relax and reduce stress. Listening to soothing sounds or music underwater can create a calming and immersive experience.

They can improve your mood and mental health listening to positive or uplifting sounds.

Built for installation in both fresh and salt water pools, the UW30 can even be safely installed in ocean environments. Designed for permanent installation and completely submerged operation. Problems such as corrosion and electrolysis damage are completely eliminated due to the plastic construction. The ceramic magnet and state of the art voice coil construction assure full-fidelity response with the lowest possible distortion throughout its power range.

One speaker is recommended for pools up to 9 x 9 metre, or two speakers for pools up to 9 x 18 metre.


Flush mounting for new pool construction and modification of older pools, installing the UW30 flush with the sides of the pool makes a very neat and unobtrusive installation. The UW30 speaker is mounted in a wet' niche (Paragon Part #68102 or equivalent) in the same manner as an underwater light. Figure 1 shows a typical installation. The speaker is mounted up to 1.2 m (4 ft.) below the surface of the water and flush with the side of the pool. (For installation in water depths lower than recommended, please contact factory.) A marine plywood or stainless steel mounting ring or face plate is recommended. (Paragon Part # 68103SS stainless steel or #68103 bronze polished chrome or equivalent). Several pool equipment manufacturers have wet' niches available into which the UW30 may be installed. See your local pool supplier for further information.


For maximum protection against speaker overload, fusing the line from the amplifier is recommended. In the event of accidental overload, it is much easier to replace a fuse (which is above the water) than to replace or have the speaker repaired. Installing a 25 ohm, 20 watt resistor in parallel with a 1.5 ampere, fast blowing fuse in series with the speaker is recommended. See Figure 2.

Pool speaker Layout: 

When underwater speakers are installed, particularly in smaller pools where only one or two speakers are needed, they should be located in the deep end of the pool. The above recommendation will effectively equalize the intensity of sound throughout the pool. For installations in large pools, such as at country clubs, municipal facilities, etc., the speakers should be located around the periphery of the pool. A good rule to follow for large pools is one speaker for every 900 square feet (83.61 square meters) of pool surface at the deep end and one speaker for every 1,200 square feet (111.48 square meters) of pool surface for the shallow end. Of course, for high' noise conditions in the pool, the number of speakers should be doubled for best results.