This was a fun and challenging build!
Full gallery here.
I ordered some cheap single board amps and power supplies from AliExpress and used a DSP so each speaker (mid/tweet/sub) has their own dedicated amp and fine tune control ability for the frequency drop-offs, gain, etc.
They sound amazing!
@roblarky I made my own TV sound bar with exciters. The challenge was getting the smart TV to give up audio signal to my “unauthorized device”, more than any difficulty making the sound bar produce audio.