I have 4 audio players I have used in Escape Room. The one I most commonly use is the Sparkfun Wavtrigger.
As for speakers and amplifiers, I have used the MPA-60 most of the time. These come from Newark.
I have been buying these alot from Amazon https://amzn.to/2XMbSvn
Phone: (440) 497-0250
Office: 4740 Beidler Rd Willoughby, OH 44094
Evilusions has been a producer of Escape Room Props, Escape Room Puzzles, Escape Room Designs, Haunted House Supplies, Haunted House Props, Halloween Masks, Haunted House Animatronics since 2005.