X4 or Explorer E20. Which wins?
Diving into the X4 vs Explorer E20, our pool experts distinguish the key features you'll want to look for when choosing a pool robot. That way, you can decide between the Dolphin Explorer E20 or Aquabot X4.
Compare essential features...
![]() |
||||
---|---|---|---|---|
![]() |
Explorer E20 | X4 | Sigma | Premier |
Cleans Waterline | No |
No |
Yes | Yes |
Nano Filtration | No |
No |
Yes | Yes |
MultiMedia | No |
No |
No |
Yes |
Dual Stabilizer | No |
No |
Yes | Yes |
Gyroscope | No |
No |
Yes | No |
3 Year Warranty | No |
No |
Yes | Yes |
No Restocking Fee | Yes | Yes | Yes | Yes |
30 Day Trial | Yes | Yes | Yes | Yes |
Shop Now | Buy | Buy | Buy | Buy |
Shoppers also looked at... Compare Vs.
Dolphin Cayman
Upgraded Max-Series™ with Wall Climbing, MaxBin™, Weekly Smart Timer, and NanoFiltration™ Capability
Dolphin Quantum
Features waterline cleaning, smart weekly timer, MaxBin™, NanoFilters™, and a 2 year warranty.
Dolphin Premier
Premier adds waterline cleaning, commercial grade motors, MultiMedia™, NanoFilters™, 3 year warranty + 30 Day Free Trial.
Compare Dolphin Explorer E20 vs Aquabot X4
Features | Explorer E20 | X4 |
---|---|---|
Standard Filter | ||
Wall Climbing | ||
Waterline Cleaning | ||
Programmable Timer | ||
Anti-Tangle Swivel |
Compare Features
Standard Fine Filter
These standard filters help capture larger items such as small leaves and other debris, while maximizing flow rate. However, if your pool struggles with cloudy pool water, small algae, or sand. You many want to consider a unit with NanoFilters™.

The Dolphin Explorer E20 includes a standard filter.
The Aquabot X4 includes a standard filter.
Anti-Tangle Cable Swivel
Say goodbye to pesky tangled cords. An anti-tangle swivel allows the robot to move 360 degrees around your pool without the cord getting tangled. So you can sit back and enjoy while your pool robot vacuums and cleans for you.
The Dolphin Explorer E20 does not include an anti-tangle swivel.
The Aquabot X4 includes an anti-tangle swivel.
All Videos
Compare Specifications
![]() |
![]() |
Part Number | 99996148-XP | |
---|---|---|
ASIN | B08T1MWL1V | B09B1DJF9C |
Waterline Cleaning | No | No |
Multi-Media® | No | No |
# of Filters Included: | 1 | 1 |
Filter Cleaning | Top Access | Dual Filter Cartridges |
Cleaning Coverage | Floor and Walls | Floor, Walls |
Cleaning Cycle | 2 hours | 3 hours |
Number of Brushes | 1 | 1 |
Cable Length | 50 ft | 60ft |
Anti-Tangle Swivel | No | Yes |
Pool Types | In Ground | In Ground |
Maximum Pool Size | 33 ft | 50 ft |
Pool Shape | Rectangle, Oval, or Freeform | Rectangle, Oval, or Freeform |
Obstacles | Steps, Ladder, Drain Cover, Ledges, Pop-Ups | Steps, Ladder, Drain Cover, Ledges, Pop-Ups |
Surface | Gunite, Fiberglass, Vinyl, Liner | Concrete, Plaster, Gunite, Pebble, Tile, Vinyl Liner, Fiberglass |
Media-Alert® | No | No |
Automated Weekly Timer | No | No |
Remote operation | No | No |
Restocking Fee | No |
No |
Warranty | 2 Years | 2 Years |
Read Reviews | Dolphin Explorer E20 Review | Aquabot X4 Review |