Note that I have had the ER-4P with a Xin 75 ohm plug before and enjoyed them. They just got little play after a while and I sold them. I am looking forward to hearing what legendary Klipsch has done in this area.
I thought their good Doctor was a little over the top for my take on PR video but I guess they are after "funk" with that presentation. I am a not in that age bracket any more I guess. Is he actually a Doctor? My guess is more actor than Doctor! If he is a Doctor of some studies maybe you should check his credentials again.
If I am not impressed then these things will be a big bust I can tell you that. I say this because of one thing. Most things I listen to I enjoy greatly. Little that I have had that I have not enjoyed. MUSIC is king in my book. Everything else is an appliance to me.