???????????????????????4?? ?????????????????4??????? ?????????????????4??????

??????????????????????4??????????50????????BOSS????????????????·?????????????????????(???)????????(???)?????廤???????????????????ɡ?

??????????????

???????????????4??

????????50??

????????6

????

1??????????

2?????????????

3?????????????

4?????????е???·???

5??ī???????????·B

6??????????????????·???(BOSS)

BOSS??????????????(???)????????(???)?????廤???

BOSS?????????BOSS??????????????????壬????????????????????????BOSS????????????????????????С???BOSS???????????????????????????Ц?????????????????BOSS??????С??BOSS?????????????????????????????????BOSS?????????????????????????????e??弼???

?????????????40407???????????http://audiogearreviews.com/jjxf/