Edifier M1380 multimedia speaker has 2.1 full range satellite, ≥85 dBA noise ratio, 10 KΩ input impedance, 5 inch bass unit, 2¾ inch tweeter unit, RMS 8W x 2 + 12W x 1 power output, power switch, FM tuner, 4.20 kg weight, 120 x 151 x 125 mm satellite dimensions, 164 x 220 x 280 mm subwoofer dimensions.