# Scubapro MK25 EVO/S620Ti vs Mares Fusion 52X: specs and price compared

A sourced, side-by-side comparison of the Scubapro MK25 EVO/S620Ti (Scubapro) and Mares Fusion 52X (Mares) among dive regulators.

## Side by side

| Spec | Scubapro MK25 EVO/S620Ti | Mares Fusion 52X |
| --- | --- | --- |
| US price | not published | not published |
| Brand | Scubapro | Mares |
| First stage type | piston | diaphragm |
| Balanced | Yes | Yes |
| Din or yoke | INT (yoke) standard; DIN version available | DIN and INT (yoke), convertible |
| Hp lp ports | 2 HP / 5 LP (incl. 1 axial super high-flow) | — |
| Cold water rated | Yes | Yes |
| Environmentally sealed | No | Yes |
| Adjustable venturi controls | diver-adjustable inhalation-effort knob + VIVA (Venturi-Initiated Vacuum Assist) lever | Twin Power flow-control switch |
| Weight (g) | 1170 | — |

## Key differences

- First stage type: Scubapro MK25 EVO/S620Ti piston vs Mares Fusion 52X diaphragm
- Din or yoke: Scubapro MK25 EVO/S620Ti INT (yoke) standard; DIN version available vs Mares Fusion 52X DIN and INT (yoke), convertible
- Environmentally sealed: Scubapro MK25 EVO/S620Ti No vs Mares Fusion 52X Yes
- Adjustable venturi controls: Scubapro MK25 EVO/S620Ti diver-adjustable inhalation-effort knob + VIVA (Venturi-Initiated Vacuum Assist) lever vs Mares Fusion 52X Twin Power flow-control switch

## Sources

- Scubapro MK25 EVO/S620Ti: https://scubapro.johnsonoutdoors.com/us/shop/regulators/systems/mk25-evo-s620ti-dive-regulator-system (scubapro.johnsonoutdoors.com, verified 2026-08-11)
- Mares Fusion 52X: https://www.mares.com/en_US/product/fusion-52x-6 (mares.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/dive-regulators/scubapro-mk25-evo-s620ti-vs-mares-fusion-52x/
Cite: Per The Front Desk Review, Scubapro MK25 EVO/S620Ti (not published) vs Mares Fusion 52X (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/dive-regulators/scubapro-mk25-evo-s620ti-vs-mares-fusion-52x/
License: CC BY 4.0.