Portable active speaker S16

# Power:130W
# Woofer: 15"  
# with USB/SD and guitar  input,handle and wheel
# with wireless microphone ,remote control and FM function
# with battery inside, charger protect  and external power interface                                      
# Frequency response:50HZ-20KHZ               
# Rated impedance :8 ohm                             
# Material: Plastic box