Manhunt can use the PS2 USB headphone accessory to channel the voice of the director character straight into your ear, whilst channeling everything else via the tv / stereo system. How can we make use of headphones accessories? --1 way radio, you have an AI system that works out what to say giving advice.. Ie. cut the green wire, they are coming from the dining room. Maybe you need to use an in-game video link to relay information to your base, so that they can give you extra advice.. ie. their heatsensing goggles can''t see through steel walls so you need to use a spy camera..