A:AnswerIt doesn’t have speakers, so you’re gonna have to buy some. Otherwise, the sound’s just going to come out of the device you’re connecting to the monitor.
A:AnswerThis has a place for mounting onto a wall but you have to buy mount separate then this product. This comes with a decent stand for a normal desk. If you like to experiment with things you could probably find a simple way to hang it on a wall but still i would recommend buying a wall mount.
A:AnswerIf i understand you correctly this will need to be hooked up to a PC using a HDMI cable (Provided in box). This also works with other products that support a HDMI port (ex. Consoles, laptops, movie players, etc.. ). Just put together the stand on it and set it down somewhere and plug in its power and its ready to go.