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Coomber Underwater Loudspeaker
This compact powerful underwater loudspeaker can fill a pool with sound.
Seen as a the preferred choice of many swimming coach and clubs, this underwater loudspeaker is designed to be totally pool side safe. In addition to its internal battery power there is the new improved with low voltage powered connection to the amplifier which can provide endless quality audio at the pool side.
Please make sure you choose the correct version for your amplifier by selecting the plug type above. If in any doubt, feel free to call us on 01905 342 070 and we will be happy to help.
Underwater Loudspeakers for large pools: Please discuss how we can help you use multiples of them for large full size pools, or where high levels of water disturbance is generated (hot tubs etc).
Fixed Installation or Temporary Use: We can prepare them for fixed installation, or they are also perfect for temporary use over the edge of a practice pool.
Transmit both voice and music: We can clearly transmit your voice and the music at the same time underwater and to the spectators.
Resistant to pool chemicals: The speaker is totally sealed and encased in a rubber based compound that is resistant to pool chemicals.
Please be assured we have designed this product for use on the poolside. We have attached some of the instructions above that will also be sent out with the products. These instructions will explain our recommendations of where to use the product.
We would always recommend to be totally safe and not plug the amplifier unit in to the mains while it is on the pool side.
Coomber Underwater Loudspeakers designed with customer safety in mind
We take customer safety very seriously and have designed these products with great care. We have taken possible misuse into consideration and taken further steps within the design to improve upon the required level electrical safety. Please be assured that the 1932 - Underwater speaker is safe to use as it was intended. To clarify its intended use: it being immersed in water when connected to our products "EXT Speaker" socket, as it is low voltage, low current connection. Even when connected to a mains power source the audio connection is several isolation barriers away from the mains power input and has been approved for CE marking especially in compliance with the Low voltage directive. Even though there is little residual risk we still do not advise to use this or any of our products connected to the mains power supply when it is used in a poolside environment.
Our recommendations for safety use of the underwater loudspeaker:
Use the rechargeable versions of our Portable Amplifiers
We strongly suggest and recommend /R versions and those that have in built batteries for pool side use, or we suggest you use external battery packs. We can supply spare internal batteries, battery packs, and give free advice what other leisure batteries can be used and guidance if you wish to fit spare internal batteries. If required we even collect the unit, carry out a full service and fit new batteries.
We strongly recommend using batteries or other DC power sources from 12V to 24V DC
There is a possibility that the portable amplifier can be connected to mains, please confirm this with your pool manager.
It will be their responsibility to allow this. We would be happy to discuss the matter with them. For this to be allowed we would suggest the following as a minimum precaution
The provided inline disconnectable power supply (1858) is an absolute minimum of 2 metres from the pool edge and kept 300mm off the floor
The mains socket should be a further 1.5 metres away from the pool edge (3.5m from pool edge in total) and be protected by a 30mA RCD. This will allow provide a prolonged period of use above and beyond the standard 3 hour battery life.
We would always recommend that the amplifier is used poolside with its internal batteries only, then charge away from the pool edge. We can provide additional battery packs if required.
Normal speakers move backwards and forwards moving / displacing air as they move.
The pulsating or moving air sets up sound pressure waves and this is what our ears pick up and we hear it as sound.
In air, speakers are very inefficient as they need to compete with the dampening effect of moving air.
Think of it as wafting a fan in front of your face. How far away is the effect felt? 500mm? Then think of the same amount of energy onto the surface of water. A small input ripples out a long way. So when we apply a moving speaker into water it can transmit the sound waves over a much larger area for the same input volume.
The speaker should never be used out of water as it can not be heard and permanent damage will occur. So the only way of testing it, is to get wet and listen to it while you are underwater.
But no matter how good the sound is please pop back up for some air!!