What is the best dog silencer on the market?

5 Best Dog Silencer Reviews (Updated 2019) #1 – Zelers New Model Outdoor Anti Barking Device. #2 – Doggie Don't THE DEVICE- Handheld Bark Deterrent and Training Aid. #3 – ShamBo Anti Barking Device. #4 – Dog Dazer II Ultrasonic Dog Deterrent. #5 – First Alert Bark Genie Handheld Bark Control Device.