Tag: JBL Boombox Won’t Turn ON Unless Plugged

  • JBL Boombox Won’t Turn ON Unless Plugged In

    JBL Boombox Won’t Turn ON Unless Plugged In

    When your JBL Boombox won’t turn on unless plugged in, this has several possible causes. Either it is defective, the battery inside no longer recharges, or you accidently put it the speaker service mode.  So, assuming that everything in your speaker is still in working order, we cover here the last possibility. How to get…