Function
USB/SD/FM/BT/remote control/recording
speaker unit
12 inch woofer +tweeter
input
wired mic,guitar input,external with 12V,AC input
microphone
with 1 pcs mirophone
volume controllers
M.treble,M.bass,mic vol,echo,guitar vol,main vol
special feature
portable,wireless
woofer unit
100 magnetic and 25 core