... loud speaker for laptop,pc/mp3/4/5,moblie phone 2)Mini computer stereo system 3)OEM &low price Factory newest pc ... palyer,CD,mobile phone. 2) Carry-home, plug and play 3) High-efficience Class-D professional digital vedio amplifier.3D sound ... ) Output Power: 3W*2(1KHZ,THD10%)2) Rated Impedance:4Ω3) Circuit Current:≤800mA4) Frequency Response: 2000HZ——12KHZ5) Supply Voltage Rejection ...