All You Need to Know About The Scubapro MK25 EVO/S620TI Regulator in 2025: Standout Features
The Scubapro MK25 EVO/S620Ti combines proven engineering with modern upgrades, making it one of the most versatile regulators available. It stands out for its breathing ease, cold-water reliability, and user-friendly design. Here are the features that make the biggest difference underwater.
MK25 EVO First Stage
The MK25 EVO is a balanced-flow piston first stage, built for consistent airflow regardless of depth or tank pressure. It uses Scubapro’s XTIS (Extended Thermal Insulating System), which improves freeze resistance and allows confident diving in cold conditions. The swivel turret with multiple high-flow ports makes hose routing straightforward, whether you dive single tanks, sidemount, or doubles.
S620Ti Second Stage
The S620Ti is lighter and more compact than the older S600, but it delivers even smoother breathing. Its titanium barrel cuts down weight while resisting corrosion, which is noticeable when carrying gear on trips. Scubapro notes a 37% reduction in work of breathing, and in practice it feels effortless at depth. The updated exhaust tee pushes bubbles out of your field of view, improving comfort and visibility.
Diver Controls
You can easily adjust how the regulator breathes. The inhalation knob fine-tunes cracking resistance, while the Venturi switch (VIVA) prevents freeflows on the surface and optimizes airflow underwater. These controls let you adapt the regulator to different dive situations with minimal effort.
Real-World Performance
On a long dive, the MK25 EVO/S620Ti feels steady, responsive, and comfortable. The airflow remains smooth from start to finish, even in colder or more demanding conditions. This mix of power, control, and efficiency is what sets it apart.
Scubapro MK25 EVO/S620TI: Manufacturer's Specification
1st Stage Design: | Piston |
1st Stage Type: | Balanced |
Environmentally Sealed | No |
Number of Ports: | 2 High-Pressure (HP), 5 Low-Pressure (LP) on swivel turret |
2nd Stage Type: | Pneumatically balanced |
Adjustable 2nd Stage: | Adjustable inhalation effort, Venturi switch |
Materials: | Chrome-plated brass (1st), Titanium barrel + technopolymer (2nd) |
Weight: | 1st Stage: ~790 g / 27.9 oz; 2nd Stage: ~179 g / 6.3 oz (without hose) |
Regulator Connection: | Yoke, DIN (300 bar) |
Water Temp Range: | Warm, Cold, Temperate |
Our Rating: Scubapro MK25 EVO/S620TI Review
Overall Score
4.7/5
Check price and get the best deal at these recommended retailers' sites:
4.5/5
Comfort & Ergonomics
The second stage is compact and light, reducing jaw fatigue on longer dives. The redesigned exhaust tee directs bubbles away from your face, keeping your vision clear. The mouthpiece is soft but supportive, and hose routing is flexible thanks to the rotating turret on the first stage. Together, these details make the regulator easy to live with on multi-dive days.
5.0/5
Breathing Performance & Ease of Use
The MK25 EVO/S620Ti delivers one of the smoothest breathing experiences you’ll find. The balanced piston first stage ensures steady airflow at any tank pressure, and the S620Ti second stage keeps inhalation effort low. With the adjustment knob and Venturi switch, you can fine-tune breathing to suit different conditions. At depth, it feels effortless and natural.
5.0/5
Build Quality & Durability
Scubapro uses chrome-plated brass, stainless steel, and titanium in the build, which makes this regulator both rugged and resistant to corrosion. The titanium barrel in the second stage adds strength without extra weight. Divers who push their gear through frequent travel or colder conditions will appreciate how solid it feels.
4.5/5
Maintenance & Serviceability
Service kits are widely available, and Scubapro has a global dealer network, which makes servicing straightforward. The first stage has an external intermediate pressure adjustment, making fine-tuning easier for technicians. Like most high-end regulators, it should be serviced annually or after heavy use, but parts and support are easy to find worldwide.
4.5/5
Value for Money
The MK25 EVO/S620Ti is on the premium end of the price range, but it earns its place. Its performance is close to Scubapro’s top technical regulators, yet it’s compact and travel-friendly. For divers who want one regulator that handles both warm and cold water, it’s a strong long-term investment.
What We Like:
✅ Outstanding Breathing Performance
From shallow reefs to deeper wreck dives, the airflow feels steady and effortless. The balanced piston first stage keeps delivery smooth even as tank pressure drops, and the S620Ti second stage requires little inhalation effort. On long dives, this reduces fatigue and makes breathing feel natural.✅ Cold-Water Reliability
The XTIS system in the MK25 EVO makes a noticeable difference in freezing conditions. Divers who venture into colder lakes or winter seas report no freeflows and consistent performance, even below 10°C. This reliability adds confidence when conditions turn demanding.✅ Lightweight and Comfortable Second Stage
The titanium barrel keeps weight down while maintaining durability. Combined with a compact design and a redesigned exhaust tee, the second stage sits comfortably in the mouth with minimal jaw strain. Fewer bubbles around your face also mean better visibility on every breath.✅ Flexible Hose Routing
The rotating turret on the first stage provides multiple low-pressure ports, making hose routing simple whether you’re diving a single tank or a more advanced setup. This flexibility means you can adapt the regulator to different gear configurations without hassle.✅ Global Service Support
Scubapro’s large dealer network and widely available service kits make it easy to keep the regulator in top shape. Whether you’re traveling abroad or diving locally, finding support is straightforward.What We Don't Like:
❌ Premium Price Tag
The MK25 EVO/S620Ti sits in the higher price bracket, which can be a stretch for divers just starting out. While the performance justifies the cost, it’s not the most budget-friendly choice.❌ Requires Regular Servicing
Like most high-end regulators, it benefits from annual servicing to maintain peak performance. While service support is available worldwide, the cost and frequency may be higher compared to entry-level regulators.The Verdict
The Scubapro MK25 EVO/S620Ti is a regulator built for divers who want one setup that can handle almost anything. Its breathing performance is top-tier, and the combination of a balanced piston first stage with a titanium second stage makes it both powerful and comfortable. Cold-water capability adds another layer of versatility, giving you confidence in demanding environments.
It’s best suited for advanced recreational divers, frequent travelers, and anyone looking for a long-term regulator that performs across warm and cold conditions. While the price is on the higher end, the reliability, smooth airflow, and strong global service network make it a worthwhile investment.
If you’re searching for a regulator that you won’t outgrow and can trust on dives anywhere in the world, the MK25 EVO/S620Ti is a strong choice.
Related Scuba Regulator Reviews
Check out these other great Scuba Regulator we reviewed.
Review of:
Cressi AC5 Zen
Our rating: 4.3/5 ★
Review of:
Sherwood Brut Pro
Our rating: 4.1/5 ★
Review of:
Scubapro Mk2 EVO/R105
Our rating: 4.3/5 ★
Review of:
Atomic Aquatics Z3
Our rating: 4.7/5 ★
Review of:
Sherwood SR2
Our rating: 4.5/5 ★
Review of:
Scubapro MK11 EVO/C370
Our rating: 4.3/5 ★
Review of:
Scubapro MK25 Evo/A700
Our rating: 4.7/5 ★
Review of:
Mares Abyss 22 Navy
Our rating: 4.5/5 ★
Review of:
Atomic Aquatics T3
Our rating: 4.8/5 ★
Review of:
Apeks MTX-RC
Our rating: 4.5/5 ★
Scubapro MK25 EVO/S620TI: FAQ
Frequently Asked Questions
Yes. Scubapro offers a limited lifetime warranty on the MK25 EVO/S620Ti, provided it is purchased from an authorized dealer and serviced according to their schedule.
Yes. The swivel turret and multiple low-pressure ports make it suitable for doubles, sidemount, or stage bottle configurations, giving you plenty of routing options.
No. The S620Ti comes in a standard right-hand configuration only. However, the hose routing flexibility of the first stage makes setup manageable for most divers
Have you tried the Scubapro MK25 EVO/S620TI Regulator? What did you think? Let us know in the comments below! Happy diving!
Scubapro MK25 EVO/S620TI Regulator
The Scubapro MK25 EVO/S620Ti is a premium regulator offering effortless breathing, cold-water reliability, and global service support. Ideal for divers who want one setup for any environment.
Product Brand: Scubapro
4.7
Pros
- Excellent breathing performance
- Reliable in cold-water conditions
- Lightweight and comfortable second stage
- Flexible hose routing with swivel turret
- Strong global service support
Cons
- High price point
- Needs regular servicing