How to build your best home theater design? First step you should considering about the size of the room, commonly home theater used minimum size of 3 by 4 meters. We can also adapted with available room size. The right choice of the monitor size and locations will improve the value of the room, choose an appropriate monitor size. The second considerations is the color of the sofa or other furniture for the audiences, choose a horizontal locations of the sofa and the monitor. Special lighting is the most important thing of the room, suitable lighting design will make the room more comfortable, a vertical and minimalist lamp is the most common choice. For the color of the room, we can use a similar color for the sofa, wall and the floor. Locate a special mats for reducing the noise on floor and the floor with similar color with the sofa.