- BLUETOOTH - KARAOKE / MIC IN - USB - MICRO SD - RADIO FM - REMOTE CONTROL - INPUT IMPEDANCE : 10K Ohm - R.M.S : 75W - FREQUENCY RESPONSE : - STELLITE UNIT : 150 Hz - 220 khz - spekaer unit : - satellite : 3" / 4 ohm - subwoofer : 5.25" / 4 ohm - power input : Ac 220v - 50 hz - subwoofer : 380 w x 252 H x 308 Dmm