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Hi JB Thanks for your reply. I wasn't sure what the connector on the back of the NVR was called, I have included a picture of the rear of the NVR with the connector highlighted in red, I believe this to be the "alarm output"? I will have a chat with the boss and see which way they want to go...

Hi all I have just joined as I am a little stuck on setting up a speaker so when a specific event is triggered it not only beeps on the NVR but also through a speaker, the NVR is on the top floor of the premises and I need to setup a speaker in the office on the ground floor so when people...