SPEAKER AKTIF ADVANCE M20 BT Specs : -Input impedance : 10K Ohm -R.M.S : 35W -FM function -Frequency Response : Satellite Unit : 150Hz-20KHz Subwoffer : 20Hz- 150Hz Speaker Unit : Satellite : 3* / 4 Ohm Subwoffer : 4* / 6 Ohm -Power input AC 220V - 50Hz Satellite Size : 86W x 150H x 80Dmm Subwoffer : 150W x 210H x 280Dmm -Slot USB, Slot Memori - Mode, select song, play/pause, bass & volume bottons - Box dimension 30 x 35 x 22 cm