Further down the page, you’ll find some explanations regarding the key similarities and differences between the Dolphin S300 and the Dolphin M400.
But before checking out explanations regarding their portability, cleaning, and connectivity & automation, here’s a table that summarizes the main technical summary sheet for these 2 robot pool cleaners:
| Dolphin S300 | Dolphin M400 | |
| Weight | 18.5 pounds | 26,9 pounds |
| Size | 23.66 x 19.33 x 18.94 inches | 23.6 x 19,3 x 19,5 inches |
| Pool Size | Up to 50 Ft | Up to 50 Ft |
| Pool Type | In-Ground | In-Ground |
| Anti-Tangle Swivel Cable | Yes | Yes |
| Cable Length | 60 feet | 60 feet |
| Filter Type | Fine, Ultra Fine | Fine, Ultra Fine |
| Filter Access | Top Access | Top Access |
| Filter Description | Extra Large Basket, Top-load | Cartridge, Top-load |
| Cleaning Coverage | Floor, Walls, Waterline | Floor, Walls, Waterline |
| Cleaning Mode(s) | Standard, Quick Clean | Standard, Quick Clean, Enhanced |
| Cleaning Cycle(s) | 1 or 2 Hours | 2.5 Hours |
| Mobility | PowerStream | CleverClean™ |
| Suction Rate | 4000 gph | 4500 gph |
| Number of Brushes | 2 Brushes | 3 Brushes |
| Waterline Scrubbing | Yes | Yes |
| Brush Type | Standard Brush | Standard Brush |
| Active Brushes | 1 Active | 1 Active |
| Remote Control | No | No |
| Wi-Fi® | Yes | Yes |
| MyDolphin™ Plus App | Yes | Yes |
| Weekly Timer | Yes | Yes |
| Cycle Selector | No | No |
| Delay Mode | No | No |
| Full Bag Indicator | No | Yes |
| Delay Feature | No | No |
| Automation Mode | Yes | Yes |
| More | Buy Now At Amazon | Buy Now At Amazon |
