漏れはこれ使ってるよ(;´Д`)ｱﾅﾛｸﾞ入力で5.1入れられるのでEAXもﾊﾞｯﾁﾘ

http://www2.jp.onkyo.com/product/products.nsf/pview/BASE-V20X(S)?OpenDocument
http://www.kakaku.com/prdsearch/detail.asp?prdkey=20452310220