These pages answer a question rather than describing a product, and several of them end by telling you not to install anything. That is deliberate: the fastest way to be trusted on the cases where this is the right tool is to be straight about the cases where it is not.
Casting from a phone works until it has to work at 6am with nobody holding the phone. Here is where each option stops.
Cloud speech is better at languages. Local speech is better at everything else that matters in a building.
Most PA software now rents. Here is what to check in a quote, and what "perpetual" has to mean before it means anything.
Scheduling audio is easy. Scheduling *speech* usually means a cloud account — it does not have to.
Multi-room audio is not hard. Multi-room audio that does not echo between rooms is, and that is the whole engineering problem.
Ducking is not a volume change. It is a fade down, a hold, and a fade back — and the fades are where it goes wrong.
Nobody notices a speaker that stopped. That is the whole problem, and it is solvable without walking the building with a colleague and a radio.
Shuffle has no memory. What separation rules are, and what has to happen when they run out of music to obey them with.
Scheduled music, bells and announcements on one box - yes. Public internet listeners from that same box - no, and here is exactly why.
Docker is a fine tool and a poor fit for a machine in a cupboard. What running scheduled audio without it actually looks like.
What a return asks for, what an honest play log can and cannot fill in, and how to export a date range in the right shape.
Four ways to try it none of them need an account, and none of them is a trial.