Speak para. Ф50; 4Ω~6Ω; whole-frequency Output Power 3W*2 Frequency Response 120Hz~20kHz SNR 85DB Hormonic Distortion <0.5% Separating Size >80DB Output Distortion 120MV?0MV Output Impedence 30kΩ AC Power 100~240v Heat Dispertion According to the demand of 35W in G9. Surface Color Customize Other IPOD interface also have the function of charge. Attachment Offer a 100mm transparent audio line. Feature The modle have rather strong third dimension,and round lampshade is symmetrical with the pedestal, and lampshade could be turn even up and down for adjusting the angle of light.