Working on BOM for 24ch amp to use with active line array

Hi Solid State-
Starting to search for parts to assemble a 24ch amplifier.

I'm not an EE but I've worked with class D boards on other projects, and made a few PCB for my LED projects.

I was hoping to either find and upgrade or build my own like the attached TDA7377 board: low BOM count, mostly thru hole parts. Use +-DC.

I'm a pretty good scavenger/bargain hunter so I have the drivers, DSP box, a 24x9x2" heavy heatsink, and Meanwell SMPS in 24v and 48v x 700W that have been getting dusty on my shelves.

All that said, here's what i'm after:
-Your favorite solid state amplifier chip for a low power build?
and
-Are there issues with arranging parts in parallel on the same power supply? for example - I had to set Master/Slave on tpa3118 boards to use them in parallel on a single power supply.

Just feeling things out. Any tips/ideas are appreciated. Thanks.
 

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