Do I have to choose from a library of phrases or can I use my own phrases?
SpeakerHub "speaks" in two ways: The most common is you type the message out in advance, SpeakerHub reads it out using text-to-speech. You can also upload an MP3 file, and this file could include spoken words, in another language, for example.
Will it work without internet or WiFi?
The SpeakHub does require an internet connection. It uses a 2.4 GHz WiFi connection, only (not ethernet/wired). It will not work without an internet connection.
I have a hub now. If I get this, do I need to do anything, or replace my current hub? Is it OK to mix & match hubs?
You do not need to do anything with your existing devices, and you can mix and match as many hubs as you want!
I heard a review the SpeakerHub is not loud enough?
Well, "loud enough" is subjective, but its important to know, this is not meant to be a security siren or a loudspeaker. Its closer in volume to an Echo Dot. It works great if you are in the same room. You may not hear it from another floor.
Can I power this from 220V?
The SpeakerHub is actually USB-powered, so, as long as you have the appropriate plug-in USB adapter, you can power it from 220 or 480V!