Audio BCE-1 Exciter BCE exciters produce sound through direct vibration of the bones in the head or are capable of converting surfaces into speakers via vibration when placed on materials such as desks, walls, doors, and many other materials. Product Highlights Creates sound using bone conduction Leaves ears free for increased listener safety Can be used as a mini tactile transducer when attached to substrates Wide 300 to 19,000 Hz frequency response 8 ohm impedance with 1W power handling