Bend tube bass box

The main feature of a bass speaker is that the cavity of speaker is a bending tube with one end closed and the other end open. The bass loudspeaker is installed in the middle of cavity to isolate it into two parts. On the practical application, two bending pipe are used, of which, one is a blind pipe 2 and the other is a through pipe 3 (two exports with different size). A bass loudspeaker is install at the butt joint of the two pipes, which are fixed together to form a. Bracket 4 is a pole with rubber sucker for fixing the speaker. The main advantage of this invention is: 1. the shape of speaker are varies, 2. even using the speaker with smaller diameter and lower quality can also get good low-frequency effects, 3. mold can be adopted to solve the large-scale production, 4. costs are reduced substantially.