A surprising question I often get asked is: What is the difference between Amazon’s Echo Auto vs Echo Input vs Echo Dot devices? Why is this surprising? I mean, they all sort of look the same. All three are roundish and smallish electronic devices. And they all let you use Amazon Alexa in some fashion. However... They are three very different products. They all have Alexa, sure, but that's where the similarities end. Echo Auto puts Alexa in your car, Echo input lets you enable an existing dumb speaker with Alexa, and Echo Dot is a smart speaker with Alexa built in. In the rest of this post, I will take a closer look and examine what each device can and can’t do. Echo Auto vs Echo Input vs Echo Dot: Quick Compare First, let’s start with a quick comparison table that compares these three little devices side-by-side: * When paired with an your own existing Bluetooth or wired speaker What Echo Auto Can and Can't Do The Echo Auto is A Smart speaker for your car. It essentially puts Alexa in your passenger seat. You can ready my full review of Echo Auto here . At the time of