Depends on cheap is right. I like open-ear headphones like the Grado's, $125 to $2000. You might like them too since he'll be able to hear you or your wife yelling for him! But they lack the deep heavy bass kids (and others!) go for. My son has been using Bose due their excellent noise-reduction, and they actually sound very good. One factor is if possible to try them for their weight also, not just for their sound quality. I got talked into another set of headphones that I never use due to the weight of them.
A couple of headphone needs,
I have had good success with feedback from other AudiogoN users, so I am asking: What have you enjoyed in a pair of inexpensive headphones. I asked this before, but have yet to purchase and now have an expanded need, both I am my youngest son are in need of a pair. For my son it is his main system and for me it is my bedroom/2nd system...and both are the Nakamichi SoundSpace 5. I have not had any headphone experience for many years. In the past it has been those green Koss 4a?, Audio Technica electret condenser. Also had used some others in the past but nothing in years. For both my son and I they would be used mainly for late night listening. Thanks for your thoughts.