Why it matters
The 425X gives 21 static levels in medium and high ranges, plus tone and vibration, with no-look controls. It covers 500 yards, expands to three dogs with extra collars, and fits dogs from 8 lb with 5–22 in necks. Remote and collar are submersible to 25 ft and charge in 2 hours. A stubborn-dog 425XS and camo WetlandHunter version exist.
Who it's for, and who should skip it
Good fit if
- Most pet dogs
- Water work
- Multi-dog homes
Look elsewhere if
- Dogs under the maker's minimum weight
- Fearful or reactive dogs without a trainer
- Owners wanting a quick fix for aggression
Pros and cons
Pros
- 21 levels
- Submersible
- Small-dog fit
Cons
- 500 yd range
- Price vs budget
- Basic display
Limitations to weigh
- Static stimulation is an aversive. Many vets and welfare groups advise reward-based training first and a qualified trainer before using any e-collar; start at the lowest level that gets a response and never use it in anger.
- Check fit daily, move the receiver every few hours and limit wear time (makers commonly say no more than 8 to 12 hours a day) to avoid pressure sores.
- Range figures are the maker's open-ground numbers; trees, hills and buildings cut real range.
Specifications
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Price seen | $154.99 | Maker |
|---|---|---|
| Model number | SD-425X | Maker |
| Range | 500 yards | Maker |
| Modes | Tone, vibration, static | Maker |
| Levels | 21 static levels | Maker |
| Water resistance (maker-stated) | Remote and collar submersible to 25 ft | Maker |
| Charging | Lithium-ion, 2-hour quick charge | Maker |
| Stubborn version price | 129.99 | Maker |
| Camo version price | 142.99 | Maker |
| Min dog | Not stated in the maker's materials we read | Not stated |
Alternatives worth comparing
More remote trainers we cover
- SportDOG FieldSentinel 825 $179.99 seen
- Dogtra CUE GEN2 Remote Training Collar $189.99 seen
- Dogtra 200iQ Remote Training Collar $199.99 seen
- Educator Mini Educator ET-300 (E-Collar Technologies) $199.99 seen
All remote trainers, compared in one table · Every SportDOG product we cover
Final verdict
A great value trainer.
Where to buy
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