xFROG ST4 HD Silver BackMount – Professional Diving Regulator with Balanced Diaphragm
xFROG ST4 HD Silver BackMount – Professional Diving Regulator with Balanced Diaphragm

xFROG - ST4 HD Silver BackMount

xFROG ST4 HD Silver BackMount – Opt for reliability and precision with the balanced diaphragm S4 regulator. Featuring rotating LP ports and a dry environmental system, it ensures smooth and comfortable diving at any depth. Perfect for divers seeking durability and protection in challenging conditions.

Color
  • Silver
zł3,400.00
Tax included Delivery within 5-7 days

Quantity Unit discount You Save
2 10% zł680.00
3 15% zł1,530.00
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Precision and Reliability with the S4 Balanced Diaphragm Regulator

The xFROG ST4 HD Silver regulator is designed for divers seeking unmatched reliability and comfort during underwater adventures. Featuring a balanced diaphragm and innovative dry environmental system, it minimizes the risk of freezing and protects against contamination. With its rotating LP ports and versatile pressure options, the ST4 HD Silver BackMount is perfect for backmount configurations, handling diverse depths and water temperatures with ease.

Included in the Set:

  • 2x S4 HD Silver First Stage – Exceptional performance with advanced diaphragm design.
  • 2x T4 Silver HD Second Stage – Balanced, adjustable, with Venturi flow technology for smoother breathing.
  • 1x 52mm Pressure Gauge – Luminescent dial with an easy-to-read scale up to 400 BAR.
  • LP Hoses: Proflex 210cm and 0.65m, HP 0.60m.
  • 2x 88mm SS Snap Hooks
  • Regulator Case – Durable storage and transport case for the complete setup.

Benefits of the S4 HD Silver Regulator

S4 First Stage

The S4 HD Silver first stage regulator ensures consistent performance thanks to a balanced diaphragm, which maintains stable pressure at various depths. The DIN connection and rotating LP turret ports offer excellent flexibility and convenience, ideal for extended dives.

  • Intermediate Pressure: 9–9.5 bar (130–140 psi)
  • Ports: 2 high-pressure (7/16" 20W UNF) and 5 low-pressure (3/8" 24W UNF)
  • Weight: 780g (DIN)
  • Material: 316 stainless steel and SUS springs
  • Environmental Dry System: Extra protection against cold and contaminants.

T4 HD Silver Second Stage

The T4 Silver HD second stage features a pneumatically balanced design that optimizes inhalation effort, adapting to the diver’s individual breathing preferences. With an integrated heat exchanger and Venturi effect adjustment, it delivers reliable performance even in cold waters.

  • Type: Balanced, adjustable
  • Adjustment Knob: Fine-tune inhalation effort for maximum comfort
  • Weight: 246g (OCTO: 189g)
  • Mouthpiece: TPU food-grade with reusable clamp

The xFROG ST4 HD Silver BackMount is an ideal solution for demanding divers, offering comfort, durability, and reliability. Dive into your underwater explorations with

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