Dayton Audio BCE-1 22 x 14mm Bone Conducting Exciter

Amazing little device. I experimented with this against a variety of surfaces, and was impressed by the output in most of those experiments. Get creative - these are very interesting little devices.

Works great, and has mounting holes for 0-80 screws for those of us who prefer a more solid mount than the peel-n-stick type transducer.

This product worked surprisingly well but it turned out to be surprisingly fragile.It was mounted in a plastic handset housing using some 3M VHB tape. The handset fell on the floor a few times and that was enough to break the wiring bar on the exciter, rendering it completely useless.

I didn't expected to be so tiny

Works well. Its small, so I wouldn't use this as a loud speaker. I attached these to some cardboard slits and placed them on adjacent sides within my pillow case for binaural beat listening at nighttime. It accomplished what I was seeking. They seem well built.. I would not describe them as cheap Chinese junk. I accidentally put 10x the max wattage through these for about 10 seconds and they still function properly.