Subwoofer 40W E-2206 Bluetooth Speaker

Rated power:-40W ( 20W + 10W x2 )Signal To Noise Ratio:-68dB or higherDegrees of Separation:-50 dB or moreFrequency Response:-60Hz~18KHzSpeaker Unit:-6.5″ low speaker 4 ohn / 3″ high speaker 8 ohnFunction:-USB , SD , LINE , BTSize:-( W x H wide x D deep )Main:-255mm x 255mm x 255mmVoltage:-AC 220V – 50HzCompatible Device:-Computers, mobile phones , MP3 and other multimedia audio source equipment