... /5,moblie phone 2)Mini computer stereo system 3)OEM &low price Factory newest pc speaker ..... ... of digital player devices. Features: 1) 2.0 speaker for laptop, computer,mp3,mp4,mp5 palyer, ... phone. 2) Carry-home, plug and play 3) High-efficience Class-D professional digital vedio amplifier. ... : 3W*2(1KHZ,THD10%)2) Rated Impedance:4Ω3) Circuit Current:≤800mA4) Frequency Response: 2000HZ——12KHZ5) Supply ...