My flat is quite small but for some reason the Wifi won't extend very well and I need a TP link which is working fine. However, my Sonos speakers are on two different Wifis which causes some issues. O

I have several Sonos speakers. Due to my house being small but having ridiculously thick walls I have to use a TP link extender. My set up is as follows: - Speaker 1 to my Plusnet router via ethernet