Apeks

Apeks XTX200 (DIN)

Apeks's high-flow technical regulator, with an over-balanced FSR first stage and an optional heat-exchanger port for cold or gas-hungry setups.

Environmentally sealed, cold-water rated

Sealed first stage keeps water and ice crystals out of the internal mechanism, the standard for diving below 50°F/10°C.

Apeks XTX200 (DIN)
4.1Comparison Score
$799
Released2006
First stagediaphragm
BalancedYes
Environmentally sealedYes
Cold-water ratedYes
ConnectionDIN
Max pressure300 bar
HP / LP ports2 / 4
Adjustable 2nd stageYes
Weight1142g
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
  • Over-balanced FSR first stage with an optional 5th LP port and built-in heat exchanger, built for cold water and high-demand setups
  • Pneumatically balanced second stage keeps breathing effort low at depth and low tank pressure
  • Weight and port count are well-documented and consistent across independent retailers
Cons
  • Heavier and pricier than the XTX40/XTX50, overkill for casual warm-water recreational diving
  • No octopus included in the base DIN listing, it's bundled separately as a "Stage3" set
  • Apeks now positions the EVX200 as its newer flagship, so the XTX200 is gradually being phased out
Diver community sentiment
Mostly positive

Across Scubaboard threads and independent reviews, divers consistently praise the XTX200's breathing performance, describing it as effortless and high-flow even under heavy demand, along with solid build quality and reliable cold-water/technical performance. The main recurring criticisms come from a retired instructor who reported second-stage case cracking during hose changes, weak hose-port inserts, and diaphragm issues around the 1-2 year mark in cold-water divers due to improper clamping torque rather than a design flaw; a separate poster noted cosmetic tarnishing on the Tungsten version that Apeks declined to warranty. Several note it's overkill for warm-water-only diving given the cheaper XTX50 shares nearly identical internals.

Scubaboard: XTX200 opinions threadScubaboard: tarnish/warranty complaintStoic Diver: XTX200 review

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

The XTX200 is Apeks’s high-flow technical regulator, built around the FSR first stage that sits just below Apeks’s Tungsten line. Its optional 5th port with a built-in heat exchanger and over-balanced diaphragm design make it a favorite for cold water, depth, and gas-hungry rigs like doubles or stage bottles, though it’s more reg than most warm-water recreational divers need.