Subwoofer Lava ST 809

The Best Subwoofer, USB, SD, Remote, Bluetooth, Led Display, 2Mic, Size: 49.5 x 31.5 x 52 cm

, Voltage : AC  220 V / 50HZ, Impedance : 4 Oش

8 Inch multimedia speaker
USB, SD, Remote, Bluetooth, 2Mic, Led Display
RMS : 25WX2
Impedance : 4 Ohm
Frequency Response :30Hz-20KHz
Voltage : AC  220 V / 50HZ
S/N : 70 db
Separation : >55 db
Size: 49.5 x 31.5 x 52 cm

hm, Frequency Response :30Hz-20KHz