Output power: 70W
T. H. D. <01%
Frequency response: 50Hz~20KHZ +-3dB
Audio input: Wireless receiver/MP3/WMA/MIC/External audio source
Speaker: 6' woofer + 8'woofer +3'tweeter
Power and voltage: AC220V50Hz
Rechargeable battery: 2 x 12V
Battery available time: 6 hours(amplify), 4 hours(MP3/WMA)
Wireless receiver: VHF210MHz~270MHz
Wireless mic: Collar clip/hand-held wireless mic/headset mic
Mic: All kinds of mic
Weight: 12kg.