Marshall Bromley 750 Black and BrassTRUE STEREOPHONIC 360 SOUND Feel every detail no matter the volume thanks to 360 sound that wraps you up. Crystal clear sound hits every corner and finds its way through any crowd. In a warehouse or a field, theres nowhere to hide. 40+ HOURS OF PORTABLE PLAYTIME When power runs low, replace with a backup battery, or use the AC cable to plug in. Take your party through the night and onto the next, with track one sounding just as good as your final