http://www.phileweb.com/review/article/201012/24/234.html
http://t-kondoh.cocolog-nifty.com/blog/2010/11/na7004-fbfa.html
http://av.watch.impress.co.jp/docs/news/20100907_392165.html
http://bbs.kakaku.com/bbs/K0000149860/SortID=12162046/
http://www.marantz.jp/jp/Products/Pages/ProductDetails.aspx?CatId=HiFi&SubCatId=NetworkAudioPlayer&ProductId=NA7004