The Niles AC-3 has power outlets and its description at nilesaudio.com lists several of teir products that can be used to trigger it. Maybe the site is up to date and one of those things will a) work from the signal you have and b) be available.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
