The JBL Boombox 3 has different output power depending on whether it is plugged into AC power or running on its battery:
AC Power (plugged in): 180W RMS total
Subwoofer: 80W
2 Midrange drivers: 40W each (80W total)
2 Tweeters: 10W each (20W total)
Battery Power: 136W RMS total
Subwoofer: 60W
2 Midrange drivers: 30W each (60W total)
2 Tweeters: 8W each (16W total) �