I ended up getting the Presonus Eris 3.5 BT Gen 2s as others have said they really are great for the brass. I am in no way affiliated to Presonus so it's not a plug.
I must admit though i did consider going down the cheap second hand HI FI Amp and cheap speakers but the only that did deter me was the lack of space i have i my little home Studio and the actual desk i have ,i would have needed a new one but couldn't afford one as i'm one of those rich pensioners that Kier keeps bangin on about.
Anyway a big thank you to all that posted with some excellent info on the subject.