Electronics, Home improvement, Woodworking, Youtube DIY How to build a back box for ceiling speakers – YouTube diy projects ⋅ October 8, 2018How to make a ceiling speaker Back boxBookmark(0)Please login to bookmark Do you have 10 seconds? Show this DIY to your friends and fans. Report Content To report this post you need to login first. Like 0 Thanks! You've already liked this No comments diy projects Web: Leave a Reply Cancel replyYou must be logged in to post a comment.