Dolphin W 20
MSRP $1399
3 years manufacturer warranty
Dolphin W 20 vs Niya Sonar 30
A side-by-side comparison of the Dolphin W 20 and Niya Sonar 30 — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.
Niya Sonar 30
MSRP $379
1 year manufacturer warranty
| Feature | W 20 | Niya Sonar 30 |
|---|---|---|
| Overview | ||
| Price | MSRP $1399 | MSRP $379 |
| Lineup | Wave™ Commercial | Niya (cordless) |
| Best for | Commercial pools | Value cordless cleaner |
| Pool size | Up to 65 ft | In-ground & above-ground |
| Cleaning coverage | Floor only | Floor + Walls + Waterline |
| Cleaning cycle | 3 hours | Not published |
| Suction | 4,500 GPH | Not published |
| Scrubbing brushes | 2 | 2 (active) |
| Filtration | Filter bag | Coarse filter basket |
| Standout features | ||
| Waterline cleaning | No | Included |
| 3-year warranty | Included | No |
| NanoFilters™ included | No | No |
| MultiMedia™ filtration | No | No |
| Media-Alert™ | No | No |
| Oversized leaf bag | No | No |
| MaxBin™ filtration | No | No |
| HyperBrush™ scrubbing | No | No |
| App control | No | No |
| Anti-tangle swivel | Included | No |
| Corded power | Included | No |
| Navigation & ownership | ||
| Navigation | CleverClean™ | Sonar-guided navigation |
| Weekly scheduling | No weekly timer | No weekly timer |
| App control | No app control | No app control |
| Cable | Anti-tangle swivel cable | None (cordless) |
| What is included |
|
|
| Warranty | 3 years | 1 year |
Dolphin W 20 vs Niya Sonar 30: how they compare
The Dolphin W 20 is part of the Wave™ Commercial lineup — a commercial Wave sold through Maytronics' commercial dealers with a caddy in the box and a 3-year warranty. It cleans pools up to 65 ft with floor only coverage and Filter bag filtration, backed by a 3-year warranty.
The Niya Sonar 30 is part of the Niya (cordless) lineup — a value cordless cleaner from Maytronics' Niya brand with a 1-year warranty. It handles in-ground & above-ground pools with floor + walls + waterline coverage and Coarse filter basket filtration, backed by a 1-year warranty.
Our verdict: the Dolphin W 20 wins
Between these two, the Dolphin W 20 is the stronger robot on paper — a commercial Wave sold through Maytronics' commercial dealers with a caddy in the box and a 3-year warranty. It cleans with floor only coverage and Filter bag filtration, backed by a 3-year warranty.
Our top recommendation: neither of these is in our two best lineups. For the best clean in this price range, step up to the Dolphin Quantum Pro from our ProLine™ — our top pick, highlighted at the top of this comparison.
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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