For a scientific study of consciousness we will be using an Oculus Rift VR headset on test subjects, and we also need to isolate the test subjects as well as possible from outside noise. Unfortunately we don't have an anechoic chamber :(
The sound quality of the headphones is not very important, as the test subjects will only hear the voice of the test supervisor over the headphones, but it's very important that they are wireless (as the test subject will be asked to walk around), and the sound isolation is the most important feature. It would also be best if they had removal batteries, so if the batteries died in the middle of a day's testing, work would not be delayed by recharging of the headset.
Another factor that might be worth considering, is that the supervisor's voice will somehow have to be broadcast to the headphones. The supervisor will be in the room with the test subject, so I imagine the best way to do this would be from a smartphone, over bluetooth. While I haven't looked yet, there must be an app for that ;)
Any advice would be greatly appreciated. From reading this article http://lifehacker.com/how-do-i-choose-the-best-noise-cancelling-headphones-511026873 it seems that Logitech Ultimate Ears UE9000 Bluetooth Wireless Headphones and Parrot Zik would be the kind of thing we're looking for, with a price of around $400, but I'm wondering if there's something better..