A:AnswerNO. I didn't think to check for that before I bought it and found out upon setting it up yesterday. Now I have to buy speakers but, after checking a few other curved gaming monitors, I realized not many actually do come with built-in speakers.
A:AnswerSince it has VESA mounting holes it would be perfect for a dual (even triple) arm mount. Also, without the stand it's ridiculously light, so no worries about weight limits.
A:AnswerIf you press it, you will have a screen to pop up and you can move the red button in the back up and down and side to side for different options. It should be wiggly enough to do that.
A:AnswerNo there isnt, this monitor does not have built in speakers, but HDMI carries audio and there is a 3.5mm port on the monitor itself to be used as a pass through