Advice on Integrated Receiver


I currently have two Monitor Audio Silver 300s.  I have a Cambridge Audio CAX81 (80w/ch).  After reading the reviews, the speakers sound a bit underwhelming.  I have a Rega P6 turntable hooked up for most of the audio content.  In looking at the Max Wattage for the speakers I realize perhaps the amplifier isn't letting them breathe enough?

The speakers are rated at 200w max with recommended 80-200w RMS.   Am I way off base in thinking I'm underpowering these?

What integrated receiver would you recommend to really drive these?  Budget under $5k

bound4h

These just won product of the year by andrew robinson's youtube channel

 

@kota1 I wouldn't put any stock into AR's recommendations. He made some "amazing" choices in the past. His explanations goe as deep as "it changed me", "I kept returning to this one" and a lot of "substance" like that 

My favorite reviewer is Doug Schneider at Soundstagenerwork.com.

I have had good experiences with Polk and parent company Sound United, but have not heard those speakers. 

Get that Schiit out of your audio chain and replace it with a decent phono stage. 
I’d start there. That’ll be a bottleneck no matter what your amplifier or speakers are. 

I think Polks are decent speakers. I would like them even more is AR didn't recommend them. I had one pair and it was fine, but nowhere near as much fun as others.