Speaker type 2.1Ch RMS output 15W + 5W*2 Subwoofer size and Impedence 4" Speaker size and impedence 3" Frequency response subwoofer 40Hz-20KHz Frequency response satellites 20Hz-20KHz SN Ratio ≥55dB Seperation ≥35dB Power supply 220V-240V50Hz-60Hz Input RCA Jack USB Support Ymore...