Uploaded April 2025 | Updated September 2026, 2 weeks ago
This speaker transmits sound in a narrow beam, to the place you want it heard. Until it hits an object, the frequency is above the range of the human ear. When the sound hits an object, it becomes audible. People near that object will then hear the noise as if the object was making the noise!
This speaker transmits sound in a narrow beam, to the place you want it heard. Until it hits an object, the frequency is above the range of the human ear. When the sound hits an object, it becomes audible. People near that object will then hear the noise as if the object was making the noise!
