Gypsum board ceiling can be installed sound what Mody
You refer to the gypsum board hanging speakers, then to find hanging bars (ceiling of the keel), or additional hanging bars, it is not on the wall!
absolutely okay.
Gypsum board, its own rigid or can, but relatively brittle, so the general use of paper as a strengthening. Good also useful built-in glass fiber. But the latter price is more expensive.
General recommendations, because the speaker in the work will cause vibration, including gypsum board also bear the speaker's own gravity. Therefore, in the installation of the board position, the need to do wood or metal bracket to enhance its stability in the speaker work, does not cause the gypsum board vibration and make the board easy to crack, and also can avoid resonance caused by noise.