According to our current understanding of physics, it is not possible for any information or sound to travel faster than the speed of light in a vacuum, which is approximately 299,792,458 meters per second (or about 186,282 miles per second).
The speed of sound, on the other hand, depends on the medium through which it travels. In air at room temperature, sound travels at approximately 343 meters per second (or about 767 miles per hour). In other materials, such as water or steel, sound can travel faster due to differences in their physical properties.
However, it's important to note that even in materials where sound can travel faster than in air, it still cannot exceed the speed of light. The speed of light is an absolute cosmic speed limit according to our current understanding of physics, as described by Albert Einstein's theory of relativity.
Therefore, it is not possible for a speaker or any other sound-producing device to generate sounds that travel faster than the speed of light.