X2/2.1 , M-1000B/5.1 --Which is better?

[RPG]

X2/2.1 音乐极限2.1
http://www.microlab.com.cn/cn/x2-21.htm

M-1000B/5.1 六声道家庭影院系统
http://www.microlab.com.cn/cn/M-1000B51.htm




Which is better?
THX!