Dolphin Quantum Pro
$1799
$1599
Save $200
2 years manufacturer warranty
Dolphin Quantum Pro vs Dolphin Liberty 400
A side-by-side comparison of the Dolphin Quantum Pro and Dolphin Liberty 400 — price, filtration, cleaning coverage, brushes and warranty — to help you pick the right Dolphin robotic pool cleaner.
Dolphin Liberty 400
MSRP $1429
3 years manufacturer warranty
| Feature | Quantum Pro | Liberty 400 |
|---|---|---|
| Overview | ||
| Price | $1799$1599 | MSRP $1429 |
| Lineup | Max-Series™ / ProLine™ | Liberty™ (cordless) |
| Best for | Large pools needing waterline | Cordless |
| Pool size | Up to 50 ft | Up to 33 ft |
| Cleaning coverage | Floor + Walls + Waterline + Steps | Floor + Walls + Waterline |
| Cleaning cycle | 2.5 hours | 2.5 hours |
| Suction | 4,000 GPH | Not published |
| Scrubbing brushes | 2 (HyperBrush™) | Not published |
| Filtration | XXL MaxBin™ + NanoFilters™ | Fine + ultra-fine filter basket |
| Standout features | ||
| Waterline cleaning | Included | Included |
| 3-year warranty | No | Included |
| NanoFilters™ included | Included | No |
| MaxBin™ filtration | Included | No |
| HyperBrush™ scrubbing | Included | No |
| App control | Included | Included |
| Anti-tangle swivel | Included | No |
| Corded power | Included | No |
| Navigation & ownership | ||
| Navigation | SmartNav 2.0™ | Not published |
| Weekly scheduling | Weekly timer | No weekly timer |
| App control | myDolphin Plus (Wi-Fi and Bluetooth) | myDolphin™ Plus app |
| Cable | 55 ft with anti-tangle swivel | None (cordless) |
| What is included |
|
|
| Warranty | 2 years | 3 years |
Dolphin Quantum Pro vs Dolphin Liberty 400: how they compare
The Dolphin Quantum Pro is part of the Max-Series™ / ProLine™ lineup — app-connected step and floor-to-waterline cleaning with an XXL MaxBin™ and NanoFilters™. It cleans pools up to 50 ft with floor + walls + waterline + steps coverage and XXL MaxBin™ + NanoFilters™ filtration, backed by a 2-year warranty.
The Dolphin Liberty 400 is part of the Liberty™ (cordless) lineup — a cordless Liberty sold through pool stores with myDolphin™ Plus app control and a 3-year warranty. It handles pools up to 33 ft with floor + walls + waterline coverage and Fine + ultra-fine filter basket filtration, backed by a 3-year warranty.
Our verdict: the Dolphin Quantum Pro wins
The Dolphin Quantum Pro is our pick. As part of the Max-Series™ / ProLine™ — one of our two top-recommended lineups — it steps ahead of the Dolphin Liberty 400 with floor + walls + waterline + steps coverage, XXL MaxBin™ + NanoFilters™ filtration and a 2-year warranty.
The Dolphin Liberty 400 lists at a lower MSRP of $1429, but the step up to the Dolphin Quantum Pro buys a meaningfully better clean and longer coverage that's well worth it.
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.
Compare our top-recommended robots
The Max-Series™ and ProLine™ deliver the best cleaning Dolphin makes. See how our top picks stack up head-to-head:
