Had me so same the other day appointed for the work - unfortunately, JBL has since installed a power-saving feature that turns off the speakers when no music is played. Unfortunately, the threshold is much too high for me and the music went FREQUENTLY from mid-song, especially if it has not turned up over the Ipod or computer. I can control the volume liked about the output device, so the JBL boxes for me were useless and I sent it back.
At the sound, processing, etc. I would have nothing to complain about, without the power-saving function, the boxes would get 4 stars.
I ordered the Hercules XPS 2.0 30 and am really pleased with them.