Help me choose
A stronger Pool Express option
Dolphin Wave 120 and Dolphin Wave 300 XL are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Wave 100. Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
Wave
Dolphin Wave 120
Commercial pools up to 121 ft that need floor, wall and waterline cleaning.
Wave
Dolphin Wave 300 XL
Commercial pools up to 165 ft in daily use that need high-capacity floor cleaning.
What we recommend instead
Dolphin Wave 100
Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
$4,699
Buy Dolphin Wave 100Dolphin Wave 120 or Dolphin Wave 300 XL: our take
Dolphin Wave 120 and Dolphin Wave 300 XL are compared on pool fit, cleaning reach, debris handling, controls and ownership details. The recommendation is based on the job the robot must do—not a simple feature count.
Pool fit and cleaning reach
Both robots are intended for commercial pools. Dolphin Wave 120 is rated for pools up to 121 ft; Dolphin Wave 300 XL is rated up to 165 ft. Dolphin Wave 120 cleans floor, walls, and waterline; Dolphin Wave 300 XL cleans floor. Dolphin Wave 120 lists Commercial-grade motors. Dolphin Wave 300 XL lists 6 active brushes.
Filtration and debris
Dolphin Wave 300 XL has documented included filtration—Basket—while the other model's included media is not fully published. Dolphin Wave 300 XL has the better documented path for bulky leaves and larger debris.
Controls and day-to-day ownership
Dolphin Wave 120 provides no fully published timer, app or remote specification; Dolphin Wave 300 XL provides one-touch starts and included remote control. Dolphin Wave 120 uses continuous corded power, while Dolphin Wave 300 XL uses a 165 ft corded cable with an anti-tangle swivel.
Price, warranty and the decision
Dolphin Wave 120 is listed at $7,899 and Dolphin Wave 300 XL at $15,499; Dolphin Wave 120 is $7,600 less. Dolphin Wave 120 lists a 2-year warranty compared with 3 years for Dolphin Wave 300 XL. Dolphin Wave 120 and Dolphin Wave 300 XL each have a specific fit, but neither is the Pool Express pick for this job. Our better alternative is Dolphin Wave 100. Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
Feature check: what each robot actually has
A green check means the feature is documented as included. A red X means it is documented as absent. A dash means the source does not make the feature clear.
| Feature | Dolphin Wave 120 | Dolphin Wave 300 XL |
|---|---|---|
| Cleans the pool floor | Yes | Yes |
| Climbs and cleans walls | YesEdge | No |
| Scrubs the waterline | YesEdge | No |
| Fine-debris filter included | No | No |
| Large-debris filter | No | YesEdge |
| Automatic scheduling | Not listed | No |
| Smartphone app | Not listed | Not listed |
| Anti-tangle swivel | Not listed | Yes |
| 3-year warranty | No | YesEdge |
| No recharging between cycles | Yes | Yes |
| Built-in UV-C water treatment | No | No |
Unknown is not treated as “no.” Specifications come from the product pages, current catalog records and manufacturer material collected for this site.
Where Dolphin Wave 120 stands out
Dolphin Wave 120 is the better fit for shoppers prioritizing the lower $7,899 starting price.
- Cleans the floor, walls and waterline instead of stopping below the tile line
- Is listed $7,600 lower
Where Dolphin Wave 300 XL stands out
Dolphin Wave 300 XL is the better fit for pools up to 165 ft.
- Includes a large-debris bin or bag for leaves
- Carries a 3-year warranty instead of 2 years
- Is rated for pools up to 165 ft
Dolphin Wave 120 vs Dolphin Wave 300 XL specifications
Use pool fit first. Price and app control do not make up for a robot that cannot cover the length or surfaces you need cleaned.
| Specification | Dolphin Wave 120 | Dolphin Wave 300 XL |
|---|---|---|
| Best fit | Commercial pools up to 121 ft that need floor, wall and waterline cleaning. | Commercial pools up to 165 ft in daily use that need high-capacity floor cleaning. |
| Starting price | $7,899 | $15,499 |
| Pool type | Commercial | Inground |
| Maximum pool length | Up to 121 ft | Up to 165 ft |
| Cleaning coverage | Floor, Walls, Waterline | Floor |
| Power | Corded | Corded |
| Filtration | Not listed | Basket |
| Scheduling | Not listed | One-touch start |
| App and remote | Not listed | Not listed |
| Cable | Not listed | 165 ft with anti-tangle swivel |
| Robot weight | Not listed | 58.4 lb |
| Warranty | 2 years | 3 years |
Consider the stronger Pool Express option
Dolphin Wave 120 and Dolphin Wave 300 XL are compared feature by feature below. For a stronger Pool Express option, consider Dolphin Wave 100. Commercial pools up to 88 ft that need floor, wall and waterline cleaning.
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