{"product_id":"xl4-set","title":"XL4 Set and XL4+ Set Regulators","description":"\u003cp\u003e\u003cstrong\u003eXL4+ Stage 3 set (expected availability 02.2026)\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 class=\"collapsible-toggle collapsible-icon ng-binding\" role=\"button\" tabindex=\"0\"\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cdiv class=\"collapsible-content ng-scope\"\u003e\n\n\u003cdiv class=\"row ng-scope\"\u003e\n\n\u003cdiv class=\"col-12 ng-scope\"\u003e\n\n\u003cspan class=\"ng-binding\"\u003eFirst stage\u003cbr\u003e• Compact, machined first stage based on the expedition-proven Apeks DS4 platform.\u003cbr\u003e• The innovative, overmolded first stage end cap and environmental diaphragm prevent ice formation, which can lead to a free flow of the first stage under extreme conditions. It also protects the first stage from impact damage.\u003cbr\u003e• The large-area heat exchanger diaphragm clamp helps increase the gas temperature in the first stage, leading to improved cold water performance.\u003cbr\u003e• Unique over-balanced diaphragm design - as the diver descends, the over-balanced function allows the intermediate pressure of the gas in the hose to increase faster than the ambient pressure. This leads to superior performance at depth.\u003cbr\u003e• With 2 HP ports and 4 MP ports.\u003cbr\u003eSecond stage\u003cbr\u003e• The compact and lightweight second stage improves comfort and helps reduce jaw fatigue during long dives.\u003cbr\u003e• Large heat exchanger for improved cold water performance and freeze resistance. High-performance, pneumatically balanced, lever-operated poppet valve.\u003cbr\u003e• Large, overmolded, self-flushing and controllable purge button.\u003cbr\u003e• Ergonomic venturi lever is easy to operate and locate. Flexible, nylon braided hose with better\u003cbr\u003e• Cold water performance than a traditional rubber hose.\u003cbr\u003e• Standard metal hose connection for interchangeability.\u003cbr\u003e• The Comfo-bite mouthpiece has a unique bridge that fits over the upper palate and requires no bite pressure to stay in place.\u003cbr\u003e• The reusable mouthpiece clip makes it easy to change the mouthpiece on site.\u003cbr\u003e• Durable and flexible rubber exhaust tee ensures excellent bubble diversion.\u003cbr\u003e• UV inhibitors prevent discoloration of white materials.\u003c\/span\u003e \u003c\/div\u003e\n\n\u003cdiv class=\"col-12 ng-scope\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"col-12 ng-scope\"\u003e\n\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eXL4+ Ocea Stage3 (Available from 08.2026)\u003c\/strong\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"col-12 ng-scope\"\u003e\n\n\u003ch2 class=\"collapsible-toggle collapsible-icon ng-binding\" role=\"button\" tabindex=\"0\"\u003eDESCRIPTION\u003c\/h2\u003e\n\n\u003cdiv class=\"collapsible-content ng-scope\"\u003e\n\n\u003cdiv class=\"row ng-scope\"\u003e\n\n\u003cdiv class=\"col-12 ng-scope\"\u003e\n\n\u003cspan class=\"ng-binding\"\u003eFirst stage\u003cbr\u003e• Compact, machined first stage based on the expedition-proven Apeks DS4 platform.\u003cbr\u003e• The innovative, overmolded first stage end cap and environmental diaphragm prevent ice formation, which can lead to a free flow of the first stage under extreme conditions. It also protects the first stage from impact damage.\u003cbr\u003e• The large-area heat exchanger diaphragm clamp helps increase the gas temperature in the first stage, leading to improved cold water performance.\u003cbr\u003e• Unique over-balanced diaphragm design - as the diver descends, the over-balanced function allows the intermediate pressure of the gas in the hose to increase faster than the ambient pressure. This leads to superior performance at depth.\u003cbr\u003e• With 2 HP ports and 4 MP ports.\u003cbr\u003eSecond stage\u003cbr\u003e• The compact and lightweight second stage improves comfort and helps reduce jaw fatigue during long dives.\u003cbr\u003e• Large heat exchanger for improved cold water performance and freeze resistance. High-performance, pneumatically balanced, lever-operated poppet valve.\u003cbr\u003e• Large, overmolded, self-flushing and controllable purge button.\u003cbr\u003e• Ergonomic venturi lever is easy to operate and locate. Flexible, nylon braided hose with better\u003cbr\u003e• Cold water performance than a traditional rubber hose.\u003cbr\u003e• Standard metal hose connection for interchangeability.\u003cbr\u003e• The Comfo-bite mouthpiece has a unique bridge that fits over the upper palate and requires no bite pressure to stay in place.\u003cbr\u003e• The reusable mouthpiece clip makes it easy to change the mouthpiece on site.\u003cbr\u003e• Durable and flexible rubber exhaust tee ensures excellent bubble diversion.\u003cbr\u003e• UV inhibitors prevent discoloration of white materials.\u003c\/span\u003e \u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Apeks","offers":[{"title":"XL4+ Stage3 (white)","offer_id":57123337929082,"sku":null,"price":739.0,"currency_code":"EUR","in_stock":false},{"title":"XL4 Ocea Stage 3","offer_id":57123337961850,"sku":null,"price":829.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0841\/5635\/0759\/files\/xl4ocea.jpg?v=1785255298","url":"https:\/\/tauchsport-pape.de\/en\/products\/xl4-set","provider":"Tauchsport Pape","version":"1.0","type":"link"}