Take a look at this Vitus that’ll definitely cure your dynamics and thin sound. And with the $$$ left over you can upgrade your streamer to something from Aurender, Innuos, etc. and your DAC, both of which would then be holding your sound back.
https://tmraudio.com/components/integrated-amplifiers/vitus-audio-ri-100-stereo-integrated-amplifier-ri100-mm-phono/
Here’s a review where it’s compared to some nice Pass and Krell gear driving Magico Q7s FYI…
Best of luck.