5.1 computer multimedia speaker:

Features

5.1 channel speaker system

*Subwoofer includes built-in amplification for all speakers

*3D surround sound system, make you enjoy the ultimate feeling during gaming and movie watching;

*Multimedia ready, support Audio/DVD/Computer/Video/Television, and so on;

*Full function remote control for personalised adjustment and flexible placement;

*High power output, you can get an amazing high power output to handle any kind of music;
*LED display show the master volume;

*SD&USB slot, read MP3, WMA directly

*FM radio
*Magnetic shielded satellite speakers do not interfere with monitor display;

*Support SPDIF input. DTS, (optical&coaxial input), optical
*Control remote, more convenient for you!

Specifications:

Total output RMS 100W= 50W+10W*5
Satellite:

Driver unit:

-front and rear: 3 inchx4 10W*4

-center: 3 inch x1 10w*1

Sensitivity: 85dB
Frequency: 150Hz-20kHz
Impedance: 4 Ohm

Dimensions:

front and rear: W100xD98xH175(mm)

center: W100xD98xH175(mm)
Subwoofer:

Driver unit:6.5 inch
Output power: 35W
Sensitivity: 70dB
Frequency: 45Hz-200Hz
Impedance: 4 Ohm
Dimension: 350(D)*170W)*315(H)mm

SMT PCB amplifier board picture as below: