Yes. The headset will be compatible due to the fact that you can connect it to one of the two USB ports on the PS4.
If it is a sony product its bound to work
yes it can work
The Sony Playstation Stereo headset for $80 (Amazon) is designed to work with the PS3 and is not a bad choice among the available products
Any bluetooth or USB headset will work on a PS3. You can find headsets from as cheap as $30 to $150. The official PS3 headset by Sony costs $49.
Sony has some good noise-canceling headsets that work very well when traveling.
The new Headset for the PS3 designed by Sony is already available. The Wireless Stereo Headset by Sony has a suggested retail price of $99.99 and is the Official PS3 Wireless Stereo Headset that is also able to work on PCs. Amazon has it selling for $87.33 on September 23 2011 and most customer reviews are 4 and 5 star, but the section is recommended reading before making a purchase of this item and is accessible from the related link
Because most mobile phones use the cord from the headphones as the antenna. Mine does and I have Sony Ericsson K800i
Yes they sell the Sony PS3 headset at full retail price and also carry many other headsets designed to work on the PS3 Other online retailers like amazon might offer better prices if you decide which headset you want. It should save you 25% including state sales tax over full retail
no because i never tried it
Yes, in a way depending on what you question is. If the guest has a headset it should work.
For graphics- You should look into a Sony HD Tv. Really all Tv's work...but stick to HD!
Go to accesories Settings Set as USB headset