The new DX4 Balanced Diaphragm boasts the same high performance found in all Oceanic regulators. It is the perfect regulator for extreme diving conditions, such as ice diving or diving in high sediment. With its new rubberized details, the DX4 is protected from possible damage during and between dives. The "Venturi-Assist" on the primary low pressure port boosts the air flow to the second stage, making the DX4 breathe effortlessly in any situation. The Balanced Diaphragm first stage design has been the regulator of choice for many divers who find themselves in extreme diving conditions. With the included environmental kit, the advanced design of the DX4 Balanced Diaphragm First Stage isolates the critical seats and o-rings from the harsh environment. This helps prevent internal corrosion and contaminant buildup, leading to more consistent performance between service intervals

The DX4 1st stage is also available in a DIN fitting