???????????????????????? ????????????????? ??????????????佫?????

??????????3??????????????????????????????????ī??????????????ò????

???????佫????????????

?????????50??

??????i??800?????i

?佫????

???????????????????25?????

??????????з??????????λ????????????????????????Ч??

???????????????ú????﹥?

?м?????????????????????

?佫???????

???????520

?﹥??571

?????514

??????0

??????550

??????????

??????60??????????淨(jìng) ??????????

??????????淨(jìng)???????????????

????????????????? ?佫??????

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

?????α?????????