This product is a mini-shaker device that uses a sucker to attach itself to any hard, glossy surface such as glass, metal or MDF. An MDF desk top, MDF cupboard door, a window or even a glass-framed picture will do perfectly. The device has a mini amplifier and shaker that vibrates the surface to generate sound.
The makers claim that the product, called Soundbug, can generate sound levels of up to 75dBm peak.
This product might be useful for research into active noise control.
The Soundbug costs $US50.
Read the full article on the manufacturer’s homepage.