Connector Type Wireless, Bluetooth, USB. Speaker Type 4.1 Channel Speakers. Cable length: 1.3m ; Frequency range: 20Hz-20KHz, Output power: 50 W, Power: 230V, 50 Hz, Signal/Noise ratio: > 60 dB ; Input sensitivity: 550 mV ; Impedance: 4 ohm ; Channel separation >35 dB.
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