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Product description & specifications
Compare the listed retailer options below. Check the exact size, colour, connection and included accessories before buying.
The Atomic Aquatics B2X is a regulator built without compromise — engineered for divers who demand the absolute best in breathing performance, durability, and long-term reliability. By fusing the legendary T3 second stage lineage in all-titanium construction with a first stage finished in Atomic's exclusive Diamond-Like Carbon (DLC) coating over chrome-plated brass, the B2X delivers flagship performance in a package that is as striking as it is functional. Paired with your choice of Miflex gauge setup and a Miflex BCD hose, this package gives you a complete, precision breathing system ready to slot straight into your existing rig.
At the heart of the package is the Atomic Aquatics B2X . The first stage features Atomic's proprietary DLC (Diamond-Like Carbon) coating over chrome-plated brass — providing 16× more surface protection than bare metal, with corrosion resistance that rivals the all-titanium T3. The exclusive balanced Jet Seat high-flow piston delivers consistent airflow at all depths and cylinder pressures, and the original B2 has won more awards from independent tests and reviews than any other regulator available. That proven breathing performance has been carried forward and refined in the B2X. The second stage is built from all-titanium construction — the same materials as the flagship T3 — with a pneumatically-balanced poppet and Atomic's patented AFC (Automatic Flow Control), which eliminates manual Venturi adjustment as you descend. Paired with the B2 Octopus — a near-clone of the B2 primary second stage — your alternate air source breathes just as confidently as your primary. No compromises, no afterthoughts.
Connecting your regulator to your BCD is the Miflex Xtreme BCD Hose, fitted with a standard 3/8" quick-release coupler suitable for most BCDs, wings and drysuits. Flexible, lightweight and flow-rate tested to EN 1809:2014 standards, it routes cleanly and reliably across any setup.
Finally, choose your gauge setup:
Miflex SPG fitted with 80cm Carbon HD hose : lightweight, compact and uncomplicated
Miflex Double Console with Depth Gauge and SPG : pressure gauge + depth gauge in a compact, easy-to-read console
Package includes:
Atomic Aquatics B2X Regulator Set (First Stage + Second Stage)
Atomic Aquatics B2 Octopus
Miflex Xtreme BCD Hose (65cm)
Miflex SPG or Double Console
Why you'll love it:
DLC coating over chrome-plated brass delivers 16× more surface protection than bare metal — exceptional corrosion resistance and durability
Balanced Jet Seat high-flow piston provides consistent, effortless breathing at all depths and cylinder pressures
All-titanium second stage — the same materials as the flagship T3 — for lightweight strength and long-term reliability
Patented AFC (Automatic Flow Control) eliminates manual Venturi adjustment as you descend — no dials, no fumbling
Patented Titanium Seat Saving Dynamic Orifice maintains crisp, factory-fresh tuning and protects the orifice during storage
Patented Comfort Swivel allows 30° rotational movement without hose binding or kinking
B2 Octopus is a clone of the B2 primary second stage — outperforms most high-end octopuses from competing manufacturers
Nitrox ready — approved for non-dedicated EAN use with mixtures up to 40%
Miflex BCD hose connects cleanly and reliably, flow-rate tested to EN 1809:2014 standards
Choose your preferred instrument setup: keep it simple with an SPG or add depth with a double console
Key Feature Highlights:
Atomic Aquatics B2X First Stage Features:
DLC (Diamond-Like Carbon) coating over chrome-plated brass — 16× more protection than bare metal for exceptional durability and corrosion resistance
Atomic Aquatics exclusive balanced Jet Seat high-flow piston for consistent delivery at all depths and cylinder pressures
Option to seal at dealer to prevent contamination from silt and sand
2 fixed high-pressure ports and 5 low-pressure ports on a swivel cap for flexible hose routing
EN250A certified
Available in DIN or Yoke configuration
Atomic Aquatics B2X Second Stage Features:
All-titanium construction — same materials as the flagship T3 for lightweight strength and long-term corrosion resistance
Pneumatically-balanced poppet, high-flow case and lever design for effortless breathing at all depths and tank pressures
Patented Atomic Aquatics AFC (Automatic Flow Control) — eliminates manual Venturi adjustment as you descend; no dials or buttons required
Soft overmoulded Rapid Adjustment Knob for manual detuning in surf entries, pool use or octopus situations
Patented Titanium Seat Saving Dynamic Orifice — maintains crisp, factory-fresh tuning and protects the orifice during storage
Patented Atomic Aquatics Comfort Swivel — polished 316 stainless steel with black PVD coating, allowing 30° rotational movement without hose binding or kinking
Dual material second stage cover enables the entire front face to function as a purge button
Elliptical exhaust valve dramatically reduces exhalation effort at depth
Dual silicone comfort-fit mouthpiece with tear-resistant bite tabs
Atomic Aquatics B2 Octopus Features:
Clone of the B2 primary second stage — same engineering, precision manufacturing and features throughout
Patented AFC Automatic Flow Control and Titanium Seat Saving Dynamic Orifice ensure crisp, natural breathing performance
Patented PVD-coated Brass Comfort Swivel for easy movement without hose binding or kinking
Neon yellow cover and extra-long 36" hose for high visibility in an emergency
Outperforms most high-end octopuses from competing manufacturers
Gauge Options Features:
Miflex SPG fitted with 80cm Carbon HD hose
Lightweight, compact and durable single pressure gauge
Heavy-duty construction with ergonomic low-profile housing
Comfortable grip and easy packing for travel
Integrated attachment points at the top
Supplied with durable Miflex 80cm hose
Pressure gauge compliant with EN250
Miflex Double Console with Depth Gauge and SPG
Compact double console with simple 1-2 gauge layout
Combines pressure gauge and depth gauge in one unit
Depth gauge provides useful backup in case of dive computer issues
Bright, bold and easy to read at a glance
Luminescent displays for improved visibility on night dives
Ergonomic low-profile housing with comfortable grip
Lightweight and easy to pack for travel
Depth gauge compliant with EN13319
Miflex Xtreme BCD Hose
A flexible, braided hose with standard 3/8" fitting and quick-release coupler, suitable for most BCDs, wings, and drysuits that use a standard QD connection. Every Miflex BCD hose QD fitting flow rate is tested to EN 1809:2014 .
Quality Testing & Delivery Timeframe
Every regulator bundle is thoroughly tested before dispatch to ensure top performance. While next-day delivery may be available at checkout, orders placed after 12PM on working days may require an additional day before shipping. If you have any questions, our friendly team is happy to help via online chat or email at support@mikesdivestore.com
VIDEO CONSULTATIONS AVAILABLE: Speak to our experienced team with a live video consultation. If you'd like help choosing the right kit or the best size before you buy - or want advice on whether something you've purchased is the right fit - you can book a consultation appointment .
Listed features
Miflex SPG fitted with 80cm Carbon HD hose : lightweight, compact and uncomplicated
Miflex Double Console with Depth Gauge and SPG : pressure gauge + depth gauge in a compact, easy-to-read console
Atomic Aquatics B2X Regulator Set (First Stage + Second Stage)
Atomic Aquatics B2 Octopus
Miflex Xtreme BCD Hose (65cm)
Miflex SPG or Double Console
DLC coating over chrome-plated brass delivers 16× more surface protection than bare metal — exceptional corrosion resistance and durability
Balanced Jet Seat high-flow piston provides consistent, effortless breathing at all depths and cylinder pressures
All-titanium second stage — the same materials as the flagship T3 — for lightweight strength and long-term reliability
Patented AFC (Automatic Flow Control) eliminates manual Venturi adjustment as you descend — no dials, no fumbling
Patented Titanium Seat Saving Dynamic Orifice maintains crisp, factory-fresh tuning and protects the orifice during storage
Patented Comfort Swivel allows 30° rotational movement without hose binding or kinking
B2 Octopus is a clone of the B2 primary second stage — outperforms most high-end octopuses from competing manufacturers
Nitrox ready — approved for non-dedicated EAN use with mixtures up to 40%
Miflex BCD hose connects cleanly and reliably, flow-rate tested to EN 1809:2014 standards
Choose your preferred instrument setup: keep it simple with an SPG or add depth with a double console
DLC (Diamond-Like Carbon) coating over chrome-plated brass — 16× more protection than bare metal for exceptional durability and corrosion resistance
Atomic Aquatics exclusive balanced Jet Seat high-flow piston for consistent delivery at all depths and cylinder pressures
Option to seal at dealer to prevent contamination from silt and sand
2 fixed high-pressure ports and 5 low-pressure ports on a swivel cap for flexible hose routing
EN250A certified
Available in DIN or Yoke configuration
All-titanium construction — same materials as the flagship T3 for lightweight strength and long-term corrosion resistance
Pneumatically-balanced poppet, high-flow case and lever design for effortless breathing at all depths and tank pressures
Patented Atomic Aquatics AFC (Automatic Flow Control) — eliminates manual Venturi adjustment as you descend; no dials or buttons required
Soft overmoulded Rapid Adjustment Knob for manual detuning in surf entries, pool use or octopus situations
Patented Titanium Seat Saving Dynamic Orifice — maintains crisp, factory-fresh tuning and protects the orifice during storage
Patented Atomic Aquatics Comfort Swivel — polished 316 stainless steel with black PVD coating, allowing 30° rotational movement without hose binding or kinking
Dual material second stage cover enables the entire front face to function as a purge button