Dolphin Sigma
$2999
$2349
Save $650
3 years manufacturer warranty
Dolphin Sigma vs Dolphin Wave 120
A side-by-side comparison of the Dolphin Sigma and Dolphin Wave 120 — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.
Dolphin Wave 120
$7899
2 years manufacturer warranty
| Feature | Sigma | Wave 120 |
|---|---|---|
| Overview | ||
| Price | $2999$2349 | $7899 |
| Lineup | ProLine™ | Wave™ Commercial |
| Best for | The most advanced clean | Water parks & municipal pools |
| Pool size | Up to 50 ft | Up to 121 ft |
| Cleaning coverage | Floor + Walls + Waterline | Floor + Walls + Waterline |
| Cleaning cycle | 2.5 hours | 4 or 6 hours |
| Suction | 4,500 GPH | 9,000 GPH |
| Scrubbing brushes | 2 (Active brushes) | 4 |
| Filtration | NanoFilters™ | Bottom-load fine + ultra-fine bags, one per unit |
| Standout features | ||
| Waterline cleaning | Included | Included |
| 3-year warranty | Included | No |
| NanoFilters™ included | Included | No |
| App control | Included | No |
| Anti-tangle swivel | Included | Included |
| Corded power | Included | Included |
| Commercial-grade motors | Included | No |
| Navigation & ownership | ||
| Navigation | SmartNav 3.0™ with gyroscope | CleverClean™ |
| Weekly scheduling | Weekly timer | No weekly timer |
| App control | myDolphin Plus (Wi-Fi and Bluetooth) | No app control |
| Cable | 55 ft with anti-tangle swivel | 130 ft with anti-tangle swivel |
| What is included |
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| Warranty | 3 years | 2 years |
Dolphin Sigma vs Dolphin Wave 120: how they compare
The Dolphin Sigma is part of the ProLine™ lineup — the most advanced Dolphin ever, with a gyroscope and app control. It cleans pools up to 50 ft with floor + walls + waterline coverage and NanoFilters™ filtration, backed by a 3-year warranty.
The Dolphin Wave 120 is part of the Wave™ Commercial lineup — twin cleaning units with quad brushes and 9,000 GPH of suction for pools up to 121 ft. It handles pools up to 121 ft with floor + walls + waterline coverage and Bottom-load fine + ultra-fine bags, one per unit filtration, backed by a 2-year warranty.
Our verdict: the Dolphin Sigma wins
The Dolphin Sigma is our pick. As part of the ProLine™ — one of our two top-recommended lineups — it steps ahead of the Dolphin Wave 120 with floor + walls + waterline coverage, NanoFilters™ filtration and a 3-year warranty.
Best of all, it comes in at $2349 — the same or less than the Dolphin Wave 120 — so it's the clear value winner too.
Not sure yet? We're here to help
Every Dolphin Max-Series™ and ProLine™ robotic pool cleaner ships free and is backed by a full manufacturer warranty — explore our top-recommended robots and find the right fit for your pool.
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