SportDOG SD 425XS Add-A-Dog Additional Collar / Extra Receiver SDR-AXSclick here to Read Customer Reviews ★★★★★Original extra stubborn dog collar for the SportDOG SD 425XS. Includes 3/4" red collar strap that fits up to a 23" neck, short and long contact points, charger and owners manual. Compatible with the Following Systems: Synchronizing a Replacement Collar Receiver to your Transmitter1. Turn the Collar Receiver off. ![]() ![]() ![]() How to Program the Collar for Multi-Dog Operation with the SD-425X/SD-425XS/SD-825X 1. Program the Remote Transmitter to mode 3 or 4. (Consult the X-Series Owners Manual for more information on Transmitter Modes.) ![]()
B. Turn the Remote Transmitter over. ![]() D. When the mode button is pressed, the Transmitter Indicator Light will be solid in color. When it is released, it will flash the same number of times as the mode selected. 2. Program the first Collar Receiver:
![]() ![]() ![]() 3. Program the second Collar Receiver the same way using A through D above, but using the Lower Button in place of the Upper Button. 4. Program the third Collar Receiver the same way using A through D above, but using the Side Button in place of the Upper Button. Customer ReviewsReview Summary
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100% Recommend this product (1 of 1 responses)
By D M.
Milano, TX.
Great collar for training a new pup !
February 11, 2023
Collar was easy to program to my transmitter and works great as a second collar for my second bulldog. Have been very pleased with SportDog products for years.
SD-425XS Add-A-Dog Collar | ||||














