Hi, can anyone tell me how the line in works for playback on these boxes? I've tried everything I can think of, including pressing play/record etc, but to no avail. No noise at all on line-in position, doesn't sound like the amp is powering up on that function. Pic for reference...
http://www.wikiboombox.com/tiki-download_file.php?fileId=2138&display
http://www.wikiboombox.com/tiki-download_file.php?fileId=2138&display