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About Cressi XS Compact MC9 Regulator

The MC9 Hyper-Balanced Diaphragm Actuated 1st stage regulator has a lightweight body covered by a protective techno-polymer elastomer shell. The regulator is equipped with four low pressure and two high pressure ports. Internally the 1st stage is coated with an anti-friction anti-corrosion material that reduces resistance and allows the critical components to move freely. This makes the components perform and last longer between annual servicing and increases performance.

Research on internal air passages and incorporating a special assist chamber has lowered the drop of intermediate pressure upon inhalation and has kept this drop at a minimum, guaranteeing higher performance in any situation. Hyper-balancing allows for an increase of the intermediate pressure at maximum depths and when experiencing low pressure in the Scuba cylinder, offering higher performance at maximum depths and during the ascent phase of the dive.

The all chrome plated marine brass first stage regulator is a balanced diaphragm design which transmits the pressure changes to the internal mechanism eliminating the need for the surrounding water to enter the intricate mechanism.

The XS Compact Second-Stage housing is made of durable non-corrosive hi-tech polymers, and has a dependable downstream demand valve mechanism. The flow of air is channeled to the mouthpiece by injection, creating a venturi effect enhancing the performance. The 2nd stage comes with a flow deviator that acts on the Venturi effect, with dive/pre-dive adjustment function. Large soft purge cover allows easy clearing of 2'nd stage and a comfortable silicone mouthpiece. The XS Compact MC9 Regulator is lightweight weighing 28 oz (790 g) without the hose. The XS Compact MC9 Regulator comes with an Owner's Manual and a limited lifetime warranty.

Warranty Information

This product has a limited warranty of 24 months.
(800) 338-9143

Cressi XS Compact MC9 Regulator Features

  • 1'st Stage:
  • MC5 First Sage Hyper-Balanced Diaphragm
  • 2 High Pressure and 4 Low Pressure Ports
  • Techno-Polymer Shell Protect Body
  • Lightweight and Compact Body 21 oz (590 g)
  • Self-Lubricating Internal Coating
  • Anti-Pressure Drop Pneumatics
  • Great Travel Regulator
  • 2'nd Stage:
  • Reliable Downstream Demand Valve
  • Large Soft Purge Cover
  • Comfortable Mouthpiece
  • 3/8" Thread Hose
  • Lightweight and Compact 7 oz (200 g)
  • Owner's Manual
  • Limited Lifetime Warranty

Cressi XS Compact MC9 Regulator Specifications

1'St Stage Type
Balance Diaphragm
Lp Ports
Hp Ports
2'Nd Stage Type
Downstream Demand Valve
1'St Stage: Chromed Brass, Techno-Polymer Elastomer Shell, 2'Nd Stage: Polymers, Silicone Rubber
Hose Thread
Total Weight
28 Oz (790 G) W/O Hose
Available in the Following Colors:
Pink Plate, White Plate, Silver Plate
Weight [with packaging]
3.2 lb

XS Compact MC9 Regulator Customer Reviews

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Cressi XS Compact MC9 Regulator

(based on 1 review)

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Reviewed by 1 customer

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(0 of 1 customers found this review helpful)


Very good


from Santiago, Chile

Verified Buyer


  • Comfortable
  • Effortless Breathing


    Best Uses

    • Cold Water

    Comments about Cressi XS Compact MC9 Regulator:

    Very good product

    • Diving Type:
    • Open Water Diving
    • Was this a gift?:
    • No

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    Questions & Answers Powered by TurnTo®

    Questions about this item:

    scott p  Can you get the MC9 1st stage in a DIN rather than a yoke? Also, can you get the MC9-SC?
    Monica s  You can purchase the din converter sku# CSBDAMC5 and have a technician change the first stage. We don't sell din versions of these regs.
    Rudy L  Is this reg environmentally sealed or is it just the SC version?
    CEYLON L  It's sealed
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