Best Dive Regulators · head-to-head

Aqua Lung Legend Elite vs Mares Fusion 52X

A sourced, side-by-side comparison. Aqua Lung Legend Elite 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 Aqua Lung Legend Elite Mares Fusion 52X
US price — —
BrandAqua LungMares
Released——
First stage type diaphragm diaphragm
Balanced Yes Yes
Din or yoke DIN and INT (yoke), convertible DIN and INT (yoke), convertible
Hp lp ports — —
Cold water rated Yes Yes
Environmentally sealed Yes Yes
Adjustable venturi controls adjustable breathing-resistance knob + dive/pre-dive venturi switch Twin Power flow-control switch
Weight (g) — —

Sources — Aqua Lung Legend Elite: aqualung.com (verified 2026-08-11). Mares Fusion 52X: mares.com (verified 2026-08-11).

What's the difference between the Aqua Lung Legend Elite and Mares Fusion 52X?

Where the two actually differ on the specs we track (1 of 8). Matching specs are omitted.

  • Adjustable venturi controls: Aqua Lung Legend Elite adjustable breathing-resistance knob + dive/pre-dive venturi switch vs Mares Fusion 52X Twin Power flow-control switch

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