Audio Technica have announced a new model headphone with 470ohm impedance: ATH-R70x
http://www.audio-technica.com/cms/headphones/f39784ce643a82e6/index.html
Don't think they have had many high impedance models before?
http://www.audio-technica.com/cms/headphones/f39784ce643a82e6/index.html
Don't think they have had many high impedance models before?