Round PSE mark for sure. As your product shall apply for Category B products: such as Electronic musical instruments, Radio receivers, Tape recorders, Record players, Juke boxes, and other audio equipment, Video tape recorders...etc.
音箱屬于日本法規(guī)的list of category B,是屬于非強(qiáng)制的,可以申請圓形PSE也可以申請S-mark,這個要看你日本當(dāng)?shù)卮砩痰囊笫鞘裁?一般在日本而言,S-mark的公信力要比圓形PSE有效力,所以建議申請S-mark.而且,如果你的音箱的電源是內(nèi)置的才可以申請圓形PSE,如果電源外置的話是不允許打上圓形PSE的標(biāo)志的,只能打S-mark.