We have a conference room where each seat has its own speaker, which is connected to an outlet via a (excuse my lack of audio terms knowledge) red and white wire that is slightly exposed at both ends on the tips. I would like to find out if there is a type of headphone that, instead of having a stereo tip like normal, would have the two exposed wire tips that could plug directly into the outlet. My boss is slightly hard of hearing and would benefit more from a pair of earbud headphones with sound coming straight from the main system, rather than a desktop speaker that isn't very loud.