SportDOG FieldTrainer 425 vs 425S vs 425X vs 425XS: Comparison
In the guide below, we outline the main differences between the previous/original 425 and 425S models, and the newer 425X and 425XS models of the FieldTrainer E Collars by SportDOG. A key difference with the new models is that they have 21 levels of static stimulation now instead of 7 levels. Below, we also … Read more