Impedance: 8 ohms
Woofer: 5.25 "(135mm) paper cone with rubber edge, KSV25mm,magnet80*15mm
Tweeter: 0.5" (13mm) Mylar dome, magnet40*8mm
Sensititity(1w/1m): 88dB
Frequency Response: 75Hz-18KHz
Power(RMS):40W
Over Dimension(H*W*D):  240*185*163 mm
Switch Transformer: 20W-10W-5W/100V
Colur: white/black