Dear,

I am a user of Onkyo 602E reciever(6ohms, 120W, 7.1ch).
And I am going to buy a new speaker, Sonus Faber Grand Piano Domus.(4ohms, 30W~200W, 90db).

But some audio experts say that I need to change the reciever as well.

I don't want to change personally.

Can you give me a guide line to set up well?

thank you.