SP是藍寶石的(還有那些石?)，好像真的不錯，我有找到它的評論喔，但你們指的是SP多少的?http://www.audioreview.com/reviews/Speaker/product_24434.shtml
http://www.audioreview.com/reviews/...uct_24433.shtml
http://www.audioreview.com/reviews/...uct_24432.shtml