description Thanks to the use of battery power, the equipment can work without connecting to a mains socket. The elegant backlight of the loudspeaker will additionally provide an interesting visual effect. At our disposal on the control panel of the column there are: 1x AUX input, 1x microphone input, echo effect adjustment, microphone volume adjustment, USB/SD/BT MP3 player with a clear display. An ideal equipment for conducting conferences or as an aid to schools. Included RemoteHandheld wireless microphonemain devicePower cordTechnical data Output power: 450WBass speaker LED illuminationPlayback from USB/SD/Bluetooth/AUX10" bass speakerTweeter: 1" Piezo DriverMicrophone operating frequency: 863.200 MHzFrequency response: 50Hz - 19kHzWheels and telescopic handle for convenient transportPower supply 220-240 Vac / 50 Hz or built-in battery 2x 12V 2.2 AhDimensions: 280x245x445mmWeight: 4.8 kg