"SPEAKER - INTEX 2.1 Subwoofer 2615 SUF BT/USB/SD/FM/REMOTE/LED DISP - IT-2615SUF BT Description AUX/USB/SD/FM/BLUETOOTH/REMOTE Speaker Size / Watt Main Unit : 4""4Ω20W, Satellite: 3""8Ω10W Rated Power 20W+10W*2 Real Power 11.56+6.66*2 Max Output power: 20W+10W*2 Frequency Response Main Unit : 40Hz - 200Hz, Satellite : 160Hz -20KHz; FM Frequency Receiver 87.5MHz-108MHz Sub woofer Size: 16*26*24cm Satellite Size: 9.8*16*9.5cm Impedance Main Unit: 4(Ω), Satellite: 8(Ω) Input & Output Jack 3.5mm Power Supply AC 220V ~ 240V/50Hz S/N Ratio ≥ 60dB Separation ≥ 40dB Drivers 4“ woofer 3” full range Controls Provided Volume control,Next,Prev,MODE,PLAY/PAUSE Input sensitivity 500MV Power Control support Net Weight 3.5KG Box Size 31.9*20.6*37.8cm"