Hero DS-640 wall speaker 40w

Rated power                 40.W
Transformer tappings 40W-20W-10W(100V)
Frequency range          70Hz-20KHz
SPL(@1W/m)              91dB
Woofer                         6.5 " 
Tweeter                        1?? silk dome
Impedance                    8 ohms
Dimension H*W*D    300*215*189mm
Material                        ABS
Colour                           white or black