Please READ: Currently all of my items have a 3 business day Shipping/handling time. I do not always use that time, but it is there. I am ONE person.This aint Amazon! However, I do accommodate most requests :)
I have many of these old things. They work, they turn just about any surface into an audio speaker. Very cool tech. Let me know if you need larger quantity. let me know

Come with some spades and a mounting disc.

Audio Sonic Disc

These units are beige, I have black ones available. Very heavy units.