User's Manual

Installation
1.Dig holes in the wooden board. ( shows on the following picture.)
2. Put the sponge on board. And dig the holes as the picture.
3. Cover by skin, and cut a incision by knife.
4. Dig the same holes on back board.
5. Take off the butterfly nut from control box and put the control box in the
hole.
6. Install the butterfly nut back.
7. Finish
Installation guide for speakers
Decide the location of speakers
2. Dig the hole
3. Put speakers in the each hole.
4. Connect it
5. Put the nets on
6. Finish
Note: the End-user should follow the above step to install the device.