Amps for SDA 3.1's

So I'm researching which amps might pair well with my Yamaha 3030 receiver and my 3.1's. My receiver has pre amp outs. I was using a Hafler 500 but it needs some love. Then I went with my Adcom 555II but my Parasound 800 stopped coming on so the Adcom is on my 10's in my basement office. Parasound has a power switch issue. I live in rural South Carolina and there are zero options for repair on anything. Some day I will have to learn how to fix these things because the closest option is 2 - 3 hours away or ship them. Anywho I digress. I was looking on eBay and FB marketplace at what was out there. One thing I do want is a trigger so when we turn off the tv the amp goes off with the receiver. SO do the Polk nuts have any suggestion on what to look into? Budget is $250 - $500 but really want the best bang for buck deal I can find.
HT/2Channel: Emotiva MMC-1, Adcom GFA-555II, Polk SDA 3.1's, Teac TN-300 TT, Polk Center and Sub.

Bedroom system: Carver CT-24, Parasound HCA-800II, Monitor 10's

Additional projects: RTA 12c's

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