Danish BO A9 stereo is a popular intelligent stereo, which can play music through wireless connection. It is very portable and convenient, and is widely used in daily life. First of all, if your A9 is a brand-new device, you can start setting it directly. If it has been used and set before, you need to take a toothpick and press the reset of the stereo to reset the setting. In addition, you need to download and install the BeoSetup application on your mobile phone. After making the above preparations, turn on the Wi-Fi at home and turn on the power of A9. A9 will automatically search the network and sound a prompt. At this time, you can see the name of the audio equipment-WLAN-from the settings of the mobile phone.