Using all capital letters is often seen as shouting.
SRS-BTX300 is a Bluetooth wireless speaker.
Which cables did the removal people lose.
Was it the AC power adaptor?
If so have a look at this,
https://www.powersupplyshop.co.uk/brands/sony/audio/srs-btx300/
Please read all product details and contact the seller if you have any queries.
Or here,
https://www.amazon.co.uk/s?k=sony+srs+btx300+charger&adgrpid=1179776875732855&hvadid=73736257023824&...
Read all user reviews to gauge which might be the most suitable.
Only other cable this speaker uses is a USB cable and you can pick them up anywhere.
