Portable Amplifier B-3015

OverviewFrequency response :60HZ-20KHZ Power:80-120W Power input:110V-230V DC15V3A Speaker unit:8"*1+3.5"*1(Q-BA) 15"*1+3.5*1(B-3015) Built-in wireless microphone:VHF175MHZ-28MHZ USB/SD/MP3 USB,SD,MP3 inerface,digita display,record Built-in battery: 4.5AH12V*1(Q-8A) 7.24H12V*1(B-3012) 7.2AH12V*1(B-2015) Battery available:5 hours Built-in multiple charger protection The device can connect to wired microphone and guitar