●Onkyo
MHP-AV1 ×
http://www2.jp.onkyo.com/product/products.nsf/view/101A3F9752390A8B492570D70036A6AD
MHP-A1 △×
http://www2.jp.onkyo.com/product/products.nsf/view/581BB9E9A9184265492571EF0021A5AD
●Sennheiser
RS 220 △×
http://www.sennheiser.co.jp/sen.user.ItemDetail/id/900.html
RS 180 △
http://www.sennheiser.co.jp/sen.user.ItemDetail/id/283.html
RS 170 △
http://www.sennheiser.co.jp/sen.user.ItemDetail/id/284.html
RS 160 △
http://www.sennheiser.co.jp/sen.user.ItemDetail/id/285.html
PC 333D USB ◇
http://www.senncom.jp/pc333D/
PC 163D USB ◇×
http://www.senncom.jp/pc163D/
●Smyth Research
Realiser A8
http://www.smyth-research.com/productsjp.html
●beyerdynamic
Headzone Base Station H 1
http://asia-pacific-india.beyerdynamic.com/shop/hah/headphones-and-headsets/at-home/headphones-amps/headzone-headphone-surround-system.html
DT 880 HT
http://asia-pacific-india.beyerdynamic.com/shop/hah/headphones-and-headsets/at-home/television/dt-880-ht.html
Headzone PRO ×
http://tascam.jp/product/headzone_pro/
●DSPeaker
HeaDSPeaker
http://www.dspeaker.com/en/products/headspeaker.shtml
http://www.acousticfield.jp/product/headspeaker.html