SportDOG SDR-AX Add-A-Dog Collar for the SportHunter 1825X

0 out of 5


Free USPS Priority Mail Shipping


The SportDOG SDR-AX Add-A-Dog Collar is the original Collar Receiver for SportHunter 1825X. Add another dog to your current SportDOG Brand® electronic training collar system or replace a Collar Receiver with the SDR-AX Add-A-Dog Collar. Comes with a convenient docking station that charges the collar in 2 hours.

Compatible with:

  • FieldTrainer® 425 (SD-425), 425S (SD-425S)
  • FieldTrainer® 425X (SD-425), 425XS (SD-425XS)
  • SportTrainer® 1275
  • SportHunter® 825X (SD-825X), 1225X (SD-1225X), 1825X (SD-1825X), 1825 (SD-1825)
  • WetlandHunter® 425X (SD-425XCAMO), 1825X (SD-1825XCAMO),
  • ProHunter® 2525 (SD-2525)
  • HoundHunter® 3225 (SD-3225)
  • UplandHunter® 1875 (SD-1875)


  • DryTek® waterproof and submersible to 25 feet
  • For dogs 8 pounds or larger with neck sizes 5″ – 22″
  • Rechargeable lithium-ion batteries, Charges in 2 hours, lasts 40-60 hours per charge
  • Low battery indicator

In The Box

  • Receiver on 3/4″ Collar Strap
  • Charging Cradle
  • Charging Adaptor
  • Long Contact Points
  • Operating Guide

To learn more about the SportDOG SDR-AX Add-A-Dog Collar read the Owner’s Manual. To add a different color strap see the 3/4″ Universal e-collar strap sold separately.

  • Model: SDR-AX
  • Manufactured by: SportDOG Brand
X-Series :: How to Add a Dog and Pair the Collar