B&O’s upgrade for old speakers requires some heavy tinkering
 

In 2018, most new speakers come with WiFi and/or Bluetooth as standard options. Let's face it: Almost everyone is using their phone to access music these days, so wireless connectivity is a must. However, if you invested in a set of non-connected spe...

https://www.engadget.com/2018/02/15/...beocreate-amp/