Output power: 70W
THD: <0.1%
Frequency response: 50Hz to 20kHz/±3dB
Audio input: wireless receiver/MP3/WMA/MIC/external audio source
Speaker: 6-inch woofer + 8-inch woofer + 3-inch tweeter
Power and voltage: 220V AC/50Hz or 110V/60Hz available
Rechargeable battery: 2x12V/7Ah
Battery available time: 4 hours (amplifying) and 3 hours (MP3/WMA playing)
Wireless receiver: VHF170 to 270MHz
Wireless MIC: collar clip/hand-held wireless MIC/headset MIC
Wire MIC: all kinds of microphones
Weight: 12Kg