Best Dive Regulators · head-to-head

Atomic Aquatics B2 vs Oceanic Zeo FDXi

A sourced, side-by-side comparison. Atomic Aquatics B2 is cheaper at —. Every spec and price links to its source.

Full spec sheet

✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Atomic Aquatics B2 Oceanic Zeo FDXi
US price — —
BrandAtomic AquaticsOceanic
Released——
First stage type piston —
Balanced Yes —
Din or yoke DIN and yoke DIN and yoke
Hp lp ports 2 HP / 5 LP (on swivel cap) —
Cold water rated — Yes
Environmentally sealed Yes —
Adjustable venturi controls AFC (Automatic Flow Control) with manual detune knob —
Weight (g) 1134 —

Sources — Atomic Aquatics B2: atomicaquatics.com (verified 2026-08-11). Oceanic Zeo FDXi: oceanicworldwide.com (verified 2026-08-11).

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