Mares

Mares Dual 15X (Yoke)

A step down from the ADJ 62X, the same sealed-diaphragm architecture without the adjustable second-stage knob.

Environmentally sealed

Sealed first stage chamber, protects against ice formation and contaminants in cold or silty water.

Mares Dual 15X (Yoke)
3.4Comparison Score
$429.95
Buy on AmazonBuy on Scuba.com
Released2015
First stagediaphragm
BalancedYes
Environmentally sealedYes
Cold-water ratedNo
Connectionyoke
Max pressure232 bar
HP / LP ports2 / 4
Adjustable 2nd stageNo
Weight1085g
Nitrox-ready (EAN40)Yes
Octo includedNo

"HP / LP ports" is the number of high-pressure and low-pressure ports on the first stage, which caps how many accessories (transmitter, SPG, inflator, second second-stage) you can run at once.

Pros
  • Balanced, environmentally sealed diaphragm first stage at a real price step down from the ADJ 62X
  • Nitrox-ready to 40% out of the box with no special prep needed
  • 2 HP / 4 LP port layout leaves plenty of room for a computer, inflator, gauge, and octopus hose
Cons
  • No adjustable breathing-resistance knob on the second stage, unlike the pricier ADJ 62X sibling
  • No octopus included in this base set
  • Heavier than the ADJ 62X in the yoke configuration
Diver community sentiment
Mostly positive

Divers on Scubaboard describe the Mares 15X-series first stage (shared by the Dual 15X) as a balanced-diaphragm design that's "built like a tank," reliable over decades of heavy use, and cheap/easy to service internally, with several longtime owners rating breathing performance highly. The Dual second stage is characterized as a simple, low-parts-count downstream design, valued for reliability rather than adjustability. The most consistent complaint is not about performance but serviceability: Mares reportedly restricts sale of service/repair parts to authorized dealer technicians only, which some divers see as a real downside versus brands with more open parts availability.

Scubaboard: Mares 15X-line second-stage comparisonScubaboard: long-term Mares 15X-line impressions

Summarized from public forum discussion (Scubaboard, Reddit, and similar), not a survey we ran ourselves. See the linked threads for the original conversations.

The Dual 15X shares the ADJ 62X’s sealed, balanced diaphragm first stage but drops the adjustable second-stage knob, making it Mares’ more affordable mid-tier set. It’s a sensible pick for divers who want genuine environmental sealing without paying for fine-tuned breathing-resistance control they may not use.