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Starting well to do better

ONE is a buoyancy compensator that represents the perfect balance between quality, performance and price. ONE has been designed as a recreational BCD but some of its versions are perfect to face also more challenging immersions.


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Additional information

A Buoyancy Compensator completely modular

This buoyancy compensator is provided with an AUDAXPRO Technical Modular System (T.M.S.), which allows changing the BCD standard configuration according to your needs. Thanks to the Audaxpro T.M.S. you can shape, configure and integrate your buoyancy compensator as you like. You can, for example:

Adapt your jacket to your physical shape

Adapt it according to the type of immersion

Change its components with any other Audaxpro BCD ones

Upgrade your equipment with a wide series of accessories

Buoyancy Compensator with a comfortable and practical harness

ONE is a buoyancy compensator suitable for divers who practise recreational diving but also want to start and try more challenging immersions. With this purpose the ONE BCD has been created with a very comfortable, well-accessorized and easily adjustable harness (in water as well).

A different version for every different need

Audaxpro buoyancy compensators have been designed to ensure the best performances in every kind of diving immersion. For this reason, ONE is available in different versions, one for every different need. This is only possible because the BCD Audaxpro are built by combining high technology and skilled Italian craftsmanship.

Choose your favorite color for your Buoyancy Compensator

The buoyancy compensator ONE is available in 8 different colors. You can choose between black, white, blue, red, yellow, orange, fuchsia and camouflage

Choose your bcd with the suitable buoyancy force

ONE is a buoyancy compensator with a variable structure, is available with 3 different buoyancy thrusts, so that you can choose the most suitable one for your immersions. The BCD ONE has 2 overpressure valves, but there are some little differences among the different mode


Buoyancy thrusts: 20 lt

Tank maximum capacity 20 lt: 15 mono-tank or 12+12 bi-tank

Overpressure and rapid-discharge valves: 2

Balance the Buoyancy Compensator weight according to your equipment

Thanks to the Audaxpro technical modular system, you can set the weight of your scuba buoyancy compensator according to the different equipment you may choose for every immersion. ONE 20 and 27 liters can be bought or used with plates (Plate versions) as well as without them (Soft version). In the Plate version, you can opt for a stainless steel plate and back plate to increase the jacket weight, or for a plate and back plate made of anodized aluminium to diminish it. ONE 15 liters, on the contrary, can only be bought and used in its soft version. There is an anatomical back plate padding for this jacket, which ensures you the best diving comfort. The back plate padding has an inner pocket to keep the lift bag or the signal tube.

Plate Steel

Plate Alu

Stainless Steel

Plate 2,160 Kg
Back Plate 690 gr

Anodized Aluminium

Plate 730 gr
Back Plate 230 gr

Use the inflator in complete comfort

ONE is a scuba buoyancy compensator designed to make every operation in water easier, so that you only have to concentrate on your immersion and enjoy it. For the same reason, the inflator and the inflator holder have been assembled in an easy way, in order to make the BCD lighter. The inflator of this diving buoyancy compensator is 50-mm long and it has a discharge valve and metal anti-fraying wire. Both have a piston control, a nickel-plated brass inner mechanism and derlin non-slip buttons.

Valve with metal
twin wire without fraying

Choose the perfect pocket for your Buoyancy Compensator

With Audaxpro, you have the opportunity to choose among many pockets models for holding ballast or containing other objects. Choose the one that better matches your ONE.

Sign your Buoyancy Compensator

Not only can you customize your buoyancy compensator technically, but you can also personalize your BCD with the writing you prefer! Audaxpro offers you the chance to embroider your buoyancy compensator inflator holder.