SportDOG FieldTrainer 425XS Remote Trainer

Dog Breed Size: Medium
Breed Recommendation: All Breed Sizes
Pet Type: Dog
Target Species: Dog

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A dedicated stubborn-dog trainer with real range and a waterproof build, worth it when milder collars have not worked but overkill for a dog that responds to tone alone.

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ASIN: B07DZ1752DModel: FieldTrainer 425XSCategory: Training Collars

Overview

A remote training collar from SportDOG rated for stubborn dogs at up to 500 yards, with static, tone and vibration modes and a waterproof, quick-charge receiver. It ships with both standard and long contact points for different coat lengths.

SportDOG positions the 425XS for dogs that do not respond to milder correction, giving it a stronger static setting than entry-level trainers while keeping tone and vibration as non-static alternatives. The medium breed sizing and 3/4 inch collar strap suggest it fits mid-sized dogs best out of the box.

Up to 500-yard remote range
Static, tone and vibration modes
Waterproof, quick-charge receiver
1 year manufacturer warranty

Who it's for

Owners training a stubborn, medium-sized dog off-leash who need more range than basic training collars offer. It is not intended for puppies or dogs that already respond well to gentler tone or vibration-only training.

Pros and cons

Pros

500-yard range for off-leash training
Three correction modes including static, tone and vibration

Cons

Not explicitly rated for small or giant breeds
May be more correction than mild training needs

Performance notes

The remote transmitter reaches the receiver up to 500 yards away and offers three correction levels, static, tone and vibration, with a waterproof housing and quick-charge battery meant to keep training sessions from being interrupted by weather or low battery.

Specifications

Dimensions & fit
Brand	SportDOG
Model	FieldTrainer 425XS
Dog Breed Size	Medium
Item Weight	0.11 poundslower than 84% of 20 training collars
Width Fit Type	Average
Size	1 Dog
Item Dimensions L X W	2.6 × 1.2 inches
Item Display Dimensions	2.6 × 1.2 × 0.1 inches
Capacity & performance
Age Range Description	All Stages
Construction & materials
Material Type	Nylon, Plastic
Color	Gun Metal Grey
Included components
Unit Count	1
Included Components	Charging Adaptor, Long Contact Points, Receiver on 3/4" Collar Strap, Remote Transmitter, Standard Contact Points
Warranty & support
Warranty Description	1 year
Other details
Breed Recommendation	All Breed Sizes
Pet Type	Dog
Target Species	Dog
Closure Type	Buckle
Animal Collar Type	Electronic Training Collar
Number Of Items	1
Pattern	Dog
Asin	B07DZ1752D
Best Sellers Rank	#16,078 In Pet Supplies (See Top 100 In Pet Supplies) #95 In Electronic Training Collars
Manufacturer	Radio Systems Corporation
Upc	729849166042
Model Number	SD-425XS
Manufacturer Part Number	SD-425XS
Customer Reviews	{'ratings_count': '2,369', 'stars': '4.2'}
Product Style	1-Dog
Item Type Name	Remote Trainer For Stubborn Dogs
Product Care Instructions	Clean with water, refer to user manual for detailed care instructions.
Occasion	everyday wear, training