world voice NEW SERIES Dancing LED Woofer Speaker/ ECHO MIC SYSTEM BT/FM/MP3/USB/SD-Card/AUX 45 W Bluetooth Home Audio Speaker(Black, Stereo Channel)
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LED Display, Supports USB pen drive and SD/MMC card Built-in FM Blue LED Power indicator, Fully functional remote control Output power (RMS):20W + 10W x 4, Frequency response:20Hz - 20KHz Impedance Subwoofer drive :4 Ohms Satellite drive : 4 Ohms Sensitivity : 500mV, S/N Ratio : ? 72dB, Separation : ? 45dB, Subwoofer drive size
