Back connectors: USB, Audio in, Audio Out, power cable.

返回连接器：usb，音频输入，音频输出，电源线。

youdao

If connection to a source with RCA connectors as found on my home audio equipment, an adaptor may be used.

如果在家用音响设备中有RCA连接源，适配器也可使用。

youdao

USB cable. Car Audio signal lines, computer peripheral electronic connectors, peripheral connection cable connector and supporting more than 200 specifications of products.

USB线。车载影音信号线，电脑周边电子衔接器，周边衔接器及其配套衔接线缆200多个规格产品。

youdao

Y. maker of audio products like cable connectors--but not keyboards.

FORBES: Inside InventionLand

The Fidelio Wireless Hi-Fi speakers range has been built with professional grade Hi-Fi drivers, Class-D digital amplifiers, gold plated connectors and lossless audio support so you can hear every detail in pristine quality.

ENGADGET: Philips showcases its 2013 Fidelio audio lineup at CES, we go eyes-on