???mt4.13?????????鼼?? ???????????

???mt?????????????,???mt4.13???????????

??????????ι?????????????????????????????????С????????????????????鷭??!???????????????!

?????С????????----С???????????????飬????????????????????12??????!

С????????????~???????????60??????￡?С???????????30??~??????????????С???30?θ?????????ζ???С????????????θ?????????鶼?????С??????????!!

??λ??С???!??????????????????????!?????????? ????--С???--????????

?????????????к???????С??飬????????????????????????????к???????????????????С??飬????????У?????????????!

OK??????????????!!????Щ??????????????????!!????40-50????????????30??????С???

?????????У?????????? ????????????????????????????????????????????~~???????????С?????!

???????mt4.2?°汾???????????????

???????mt4.2??????????

???????mt?3??????????????

???????mt???????????

???????mt????????1-15???????λ??????

?????????????40407???mt???http://www.audiogearreviews.com/mt/