1results about How to "Hear clearly" patented technology

The utility model provides a kind of sound post speaker box, including shell and mesh cover, the shell is equipped with sealed installation cavity, the installation cavity is equipped with loudspeaker unit and two reverse phase pipes, two the reverse phase pipes are symmetrically equipped in the two ends of the loudspeaker unit along the length direction of the shell, the first passageway for the loudspeaker unit sound is passed out and two second passageways located at the two ends of the first passageway are set on the front side wall of the shell, one end of two the reverse phase pipes is located in the installation cavity, the other end is connected to two the second passageways respectively, so that the installation cavity is communicated with outside by two the reverse phase pipes, the mesh cover is connected on the front side wall of the shell.The utility model discloses a sound post speaker box, which can effectively expand the audio range, reduce the timbre distortion, more completely restore the sound effect, and improve the authenticity of the audience to obtain the sound.