Petsafe Audible Bark CollarPetsafe Audible Bark Collar If your dog has a lot to say to your local postie, weve got good news. As a fresh alternative option in finding the perfect training solution for your dog, the PetSafe Audible Bark Collar is unlike any others on the market. This unique type of bark collar uses SoundBurst technology to detect your dogs barking and immediately releases a sound (resembling the spray of an aerosol can) to distract him from your backyard