... cable 3.FM radio, earphone function Features: speaker car audio can link to iPad, MP3, MP4, Notebook, CD, DVD, Mobile phone,IPOD,iPhone ... frequency:150-18000HZ(±3dB)· Nominal Output Power (Total): 100 Watt · Audio Amplifier: Integrated · Connectivity Technology: Wired · Power supply:DC5V· Connector Type ... 120/230 V ( 50/60 Hz )· Impedance: 8 ohms . speaker car audio