Dolphin M400 Robotic Pool Cleaner

Built to deliver a deep clean, the Maytronics Dolphin M400 is extremely powerful when it comes to scrubbing and filtering. Engineered with three brushes and a high-flow cartridge filtration system, the M400 tackles dirt, debris, and fine particles in a single 2.5-hour cycle.

As an Always Connected cleaner, the M400 allows you to schedule weekly cleanings and spot clean from the palm of your hand using the MyDolphin™ Plus app. This Dolphin pool cleaner will not disappoint.

Key Features

Powerful Deep Clean

Engineered for serious scrubbing and filtering performance — built to tackle the toughest pool conditions.

Triple Brush System

Three brushes work together to loosen and lift dirt, debris, and algae from every pool surface.

Always Connected Wi-Fi

Schedule weekly cleanings and spot clean from anywhere with the MyDolphin™ Plus app.

Cartridge Filtration

Fine and ultra-fine cartridge filters capture both large debris and microscopic particles.

Full-Surface Coverage

Cleans floors, walls, and waterline in a single efficient 2.5-hour cycle.

Anti-Tangle Swivel Cable

60 ft of tangle-free cable keeps the M400 moving freely throughout the pool.

Designed For

In-ground pools up to 50 feet
Pool owners who want strong cleaning power and Wi-Fi app control at a great value
Anyone who prefers cartridge-style filtration over traditional bag systems

Why Choose the Dolphin M400?

The M400 delivers the powerful scrubbing and smart connectivity of Dolphin's premium lineup at a more accessible price. With three brushes, cartridge filtration, and full app control, it's built to keep your pool spotless with minimal effort on your end.

Tech Specs

Pool Attributes

Pool Size / Cable Length	Up to 50 Ft
Pool Type	In-Ground

Cleaning

Filter Type	Cartridge — Fine & Ultra Fine
Filter Description	Cartridge
Coverage	Floor, Walls, Waterline
Cleaning Mode	Standard
Cleaning Cycle	2.5 Hours
Brushes	3 (1 Active)

Connectivity & Automation

Remote Control	Wi-Fi App
Wi-Fi®	Yes
MyDolphin™ Plus App	Yes
Weekly Timer	Yes
Cycle Selector	No
Delay Mode	Yes
Full Filter Indicator	No
Automation Mode	Yes

Hardware & Warranty

Anti-Tangle Swivel Cable	Yes
Cable Length	60 Ft
Warranty	36 Months Limited
Caddy Included	No (price reduced)
Product Weight	25.3 lbs

Dolphin M400 robotic pool cleaner for sale. A powerful, app-controlled cleaner with cartridge filtration designed for in-ground pools up to 50 feet.

$1,500 to $2,000

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