... / Ipod, MP3, MP4, CD PlayerIt is easy to install w/o mannual, you can use it at ... We will send the color silver, if buyer want to choose black or golden color, please leave a note ... needs of bursting, voice switching power supply side to solve delicate problems;3·thereby achieving high-level / all original parts ... 6A.The machine is BTL output, that is to negative side of speaker out is not public grounded ...