Halcyon Symbios™ Chest Mount Rebreather

Halcyon Symbios™ Chest Mount Rebreather

incl. outer Black Rebreather Bag, 2 Analog Cells, one Green Flash Solid State Cell

plus selected option of Handset and/or HUD

no Tank included!

The Halcyon Symbios™ Rebreather combines innovation, safety, and streamlined design. With redundant wireless communication, hybrid O₂ sensing, and a patented BOV/ADV system, it delivers excellent breathing performance and intuitive alerts. Its modular, travel-friendly build is compact yet powerful, offering easy trim, large CO₂ capacity, and seamless connectivity across the Symbios ecosystem for exploration without limits.

Key Highlights 

• Sleek, ultra-slim design that’s lightweight and unobtrusive 
• Transflective color display for excellent readability in all light conditions
• Responsive tactile buttons for confident use underwater
• Rechargeable battery (~40 hours runtime) for extended dive trips
• Clean, easy-to-read interface with customizable layouts
• Numerous customizable parameters to suit diver preference
• Constant evolution with regular firmware upgrades
• Powerful Symbios App integration, extending features and logs
• Scales with a diver’s needs, from recreational to expeditionary use 
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• Streamlined Performance: A low-profile chest design that improves trim, comfort, and accessibility.
• Advanced Safety: Dual sensing (electrochemical + GreenFlash™ digital O₂), tactile vibration alarms at the chest, and bold visual alerts for critical conditions.
• Smart Technology: Adaptive setpoint control, Symbios App pairing for pre-dive checklists, firmware updates, and dive log review.
• Exploration Ready: Designed for both recreational and advanced technical dives, fully EN 14143 compliant. 

Handset & HUD Integration 

Pair the Symbios™ Rebreather with the Handset or HUD for a fully connected experience. Both are part of the unique Symbios ecosystem, delivering intuitive control and critical dive data at a glance.