???′??????,???′?????????????,6????????
???′???6?????????????????
????淨(jìng)?????′???????淨(jìng)????????淨(jìng)?????????????????????????棬???????????????????????????????????????檔
?????????????????????????
????????е??????????????????????;??????????????????????????????????????????
??????????????????????????????
?????????????????????????
6????????????250??????
????????????????????????ο???
???λ?????????
????????????40407???′??澫???????http://audiogearreviews.com/laycq/