{"product_id":"ds4-1st-stage","title":"APEKS DS4 1st Stage, Dive Regulator","description":"\u003ch2\u003e\u003cstrong\u003eAPEKS DS4 1st Stage – Trusted Cold Water Reliability for Serious Divers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eBuild a reliable and cold water ready regulator system with the DS4 1st Stage, engineered to deliver stable intermediate pressure and consistent airflow in demanding dive conditions. Designed with a balanced diaphragm system, this first stage maintains smooth gas delivery regardless of depth or tank pressure, helping ensure controlled and dependable breathing performance throughout your dive.\u003c\/p\u003e\n\u003cp\u003eBuilt by Apeks and trusted by technical and cold water divers worldwide, the DS4 1st Stage is known for its rugged simplicity and environmentally sealed design. At Aquatic Sports, we recommend this DIN configuration for divers seeking a durable, streamlined first stage that performs consistently in both recreational and advanced dive environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Divers Choose the DS4 1st Stage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBalanced diaphragm design for stable intermediate pressure\u003c\/li\u003e\n\u003cli\u003eEnvironmentally sealed system for cold water reliability\u003c\/li\u003e\n\u003cli\u003eConsistent airflow delivery across varying depths and tank pressures\u003c\/li\u003e\n\u003cli\u003eDurable chrome construction for long-term marine protection\u003c\/li\u003e\n\u003cli\u003eSecure DIN connection for high-pressure cylinder compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-performance balanced diaphragm first stage\u003c\/li\u003e\n\u003cli\u003eEnvironmental sealing to prevent contamination and freezing\u003c\/li\u003e\n\u003cli\u003eMultiple low-pressure and high-pressure ports for flexible configuration\u003c\/li\u003e\n\u003cli\u003eCompact and rugged profile for streamlined setups\u003c\/li\u003e\n\u003cli\u003eDesigned for recreational, cold water, and technical diving applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCold water divers requiring dependable environmental protection\u003c\/li\u003e\n\u003cli\u003eTechnical divers building a streamlined regulator system\u003c\/li\u003e\n\u003cli\u003eDivers upgrading to a performance-focused first stage\u003c\/li\u003e\n\u003cli\u003eDivers seeking durable and reliable pressure management\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMission-Critical Confidence\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe DS4 1st Stage delivers stable pressure control, cold water protection, and trusted Apeks engineering, forming a dependable foundation for high-performance scuba regulator systems.\u003c\/p\u003e","brand":"Apeks","offers":[{"title":"Bright Chrome Black \/ DIN","offer_id":47465621881062,"sku":"726058BCBKDIN","price":389.0,"currency_code":"USD","in_stock":true},{"title":"Bright Chrome Black \/ INT","offer_id":47465621913830,"sku":"726058BCBKINT","price":389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/8900\/1958\/files\/ds4-1st-stage.webp?v=1773932107","url":"https:\/\/aquaticsports.com\/products\/ds4-1st-stage","provider":"Aquatic-Sports","version":"1.0","type":"link"}