SportDOG Brand
SportDOG FieldTrainer SD-425X
$154.99Cheaper
Best Dog Training Collars · head-to-head
SportDOG FieldTrainer SD-425X vs Halo Collar 4
A sourced, side-by-side comparison. SportDOG FieldTrainer SD-425X is cheaper at $154.99. Every spec and price links to its source.
Halo Collar
Halo Collar 4
$424
Which is better: the SportDOG FieldTrainer SD-425X or Halo Collar 4?
On the specs we track, they're closely matched. The SportDOG FieldTrainer SD-425X is the cheaper at $154.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | SportDOG FieldTrainer SD-425X | Halo Collar 4 |
|---|---|---|
| US price | $154.99 | $424 |
| Brand | SportDOG Brand | Halo Collar |
| Released | — | — |
| Range (ft) | 1500 | — |
| Stimulation levels | 21 | — |
| Waterproof rating | Submersible to 25 ft | IP67 |
| Battery life hr | 60 | 40 |
| Dogs supported | 3 | 1 |
| Modes | static;tone;vibration | static;tone;vibration |
| Gps tracking | No | Yes |
| Collar size (in) | 5-22 | 8-30.5 |
Sources — SportDOG FieldTrainer SD-425X: sportdog.com (verified 2026-08-01). Halo Collar 4: halocollar.com (verified 2026-08-01).
What's the difference between the SportDOG FieldTrainer SD-425X and Halo Collar 4?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Waterproof rating: SportDOG FieldTrainer SD-425X Submersible to 25 ft vs Halo Collar 4 IP67
- Battery life hr: SportDOG FieldTrainer SD-425X 60 vs Halo Collar 4 40
- Dogs supported: SportDOG FieldTrainer SD-425X 3 vs Halo Collar 4 1
- Gps tracking: SportDOG FieldTrainer SD-425X false vs Halo Collar 4 true
- Collar size (in): SportDOG FieldTrainer SD-425X 5-22 vs Halo Collar 4 8-30.5