Compare the Dolphin M‑Series Lineup
Compare the Dolphin M400, M550 and M600 by pool size, floor-to-waterline coverage, filtration, app control and warranty.
| Model |  M400 |  M550 |  M600 |
|---|---|---|---|
| Availability | Authorized dealers | Authorized dealers | Authorized dealers |
| Pool size | 50 ft | 50 ft | 50 ft |
| Cleans | Floor, Walls and Waterline | Floor, Walls and Waterline | Floor, Walls and Waterline |
| Filtration | Fine Filter Kit; Ultra-Fine Filter Kit | Combine Filter Kit; Ultra-Fine Filter Kit | Multi-Layer; Ultra-Fine Filter Kit |
| Cleaning cycle | 2.5 hours | 2 hours | 2 hours |
| Navigation | Maytronics navigation | Maytronics navigation | Maytronics navigation |
| Weekly timer | Yes | Yes | Yes |
| App control | MyDolphin™ Plus | MyDolphin™ Plus | MyDolphin™ Plus |
| Warranty | 3 years | 3 years | 3 years |
| Details | View model | View model | View model |
RECOMMENDED BEFORE YOU BUY
Start with Max-Series™ or ProLine™
Shopping the Dolphin M‑Series lineup? Before visiting a dealer, compare our Max-Series™ and ProLine™ favorites. The Cayman, Quantum and Premier cover three levels of cleaning performance and are available to buy online with live pricing, free shipping, a 30-day in-pool trial and no restocking fee.
Dolphin Cayman
Dolphin Quantum
Dolphin Premier
Explore Dolphin M‑Series
Choose a model to review pool size, cleaning coverage, filtration, cycle time, app control and warranty.
Dolphin M400
Sold Through Dealers
Dolphin M400 robotic pool cleaner for pools up to 50 ft. Compare floor, wall and waterline cleaning, filtration, warranty and availability.
Dolphin M550
Sold Through Dealers
Dolphin M550 robotic pool cleaner for pools up to 50 ft. Compare floor, wall and waterline cleaning, filtration, warranty and availability.
Dolphin M600
Sold Through Dealers
Dolphin M600 robotic pool cleaner for pools up to 50 ft. Compare floor, wall and waterline cleaning, filtration, warranty and availability.
DEALER MODEL OR DIRECT PURCHASE?
Compare More Than the Spec Sheet
A dealer-exclusive Dolphin M‑Series model may be right when you want local service or a specific configuration. If you prefer to see price and inventory up front, buy online and test the cleaner in your own pool, compare Max-Series™ or ProLine™ first.
BUY DIRECT WITH CONFIDENCE
Try the Better Choice for 30 Days
Shop Max-Series™ and ProLine™ online with free shipping, a 30-day in-pool trial and no restocking fee, so you can make sure the cleaner fits your pool before keeping it.
