I have some Focal/JM Lab Chorus 716 S floorspeakers that are powered by a Harmon/Kardon AVR 130. The AVR 130 is rated at 45 watts per channel. It is a 5.1 unit. I am looking for some more power.

Should I buy a new receiver, or invest in an amp?

I would like to keep my cost under 1K.

Thanks in advance.