The DS4 first stage lacks the rotating turret found on the XTX50 first stage and offers one HP port

they are becoming very popular in the recreational community

functionality

Inspired by technical diving and versatile enough to be used in a range of diving applications

warmer dive

xtx50 stage 3 dive regulator octopus xtx40 Colors:Bright Chrome / Black The DS4 first stage lacksThe XTX50 is for the discerning diver who wants the benefits of a feature rich regulator at a moderate price. This popular regulator has four medium pressure ports all mounted on a rotating turret, resulting in optimal hose routing while eliminating sharp bends in the hose.