The second issue to realise is that almost all wireless systems occur with quirks. On the list of biggest is that you may well be locked into a shut ecosystem. When you purchase the Sonos system above, you will not manage to use any other company’s speakers in your setup. https://www.bluetoothspeaker.top/factory-direct-sale-bluetooth-speaker-wireless-waterproof-speaker-with-led-flashing-light/