Apeks XTX40/DS4, DIN O2

Description:

The Apeks XTX40/DS4 DIN O2 Regulator is a robust and reliable choice for serious divers demanding exceptional performance and high oxygen compatibility. Specifically designed for use with oxygen mixtures from 0% to 100%, it is the preferred regulator for technical divers performing decompression stops.

The DS4 first stage features an over-balanced diaphragm design with environmental sealing, ensuring consistent airflow regardless of depth or conditions. Constructed from marine-grade brass with a durable chrome finish, the body includes one HP port and four MP ports, along with a standard environmental dry kit for maximum protection against contamination and freezing.

The XTX40 second stage offers a pneumatically balanced design that provides smooth and consistent airflow. The diver-changeable exhaust tee and integrated Venturi lever allow for a customized experience, while the Comfo-bite™ mouthpiece ensures long-lasting comfort on extended dives. The braided Flexi-hose adds lightweight flexibility without compromising durability, and a built-in heat exchanger improves freezing resistance in cold water.

With a total weight of 1100g and Work of Breathing score averaging at 0.85 joules/liter, this regulator balances lightweight performance with rugged dependability. Whether you’re a technical diver or planning high O2 deco stops, the XTX40/DS4 DIN O2 is trusted scuba gear that delivers unmatched breathing performance under pressure.

Key Features:

• Over-balanced, environmentally sealed first stage (DS4)

• Compatible with 0–100% Oxygen straight out of the box

• Durable chrome-plated marine brass body

• 1 High Pressure and 4 Medium Pressure ports

• Pneumatically balanced second stage for smooth breathing

• Integrated Venturi lever for performance tuning

• Comfo-bite™ mouthpiece for enhanced comfort

• Diver-changeable exhaust tee

• Heat exchanger for improved cold water resistance

• Braided Flexi-hose for strength and flexibility

• Work of Breathing (WOB) average: 0.85 J/L

• Nitrox and deco-stop ready – ideal for technical scuba diving