http://o.aolcdn.com/hss/storage/midas/22f32d1183b309c654855d13a1e2c0aa/202557525/q-jays-2015-08-30-20.jpg
http://photon.101medialablimit.netdna-cdn.com/hypebeast.com/image/2015/02/q-jays-worlds-smallest-earphones-by-jays-ab-06.jpg
q-JAYS Reference Earphones
http://av.watch.impress.co.jp/docs/news/1027189.html
インピーダンスは50Ω