F4-USB / F7-USB

● 4/7 channel multi-function mixer              ● Built-in 4.0 wireless Bluetooth                     ● DSP reverberationeffect                        ● Flash drive, MP3 player                           ● Independent adjustment of high and middle woofers                                                 ● The 3 section channel equlization                   ● 2 set of auxiliary transmission                         ●+48V Phantom Power                                 ● Channel EQ:3 Band