If you want to buy DAC blindley > check these review
https://www.audiosciencereview.com/forum/index.php?forums/digital-audio-converters-dacs.10/
And I think you need to upgarde your speaker for full range size better than upgarde equipment.
https://www.audiosciencereview.com/forum/index.php?forums/digital-audio-converters-dacs.10/
And I think you need to upgarde your speaker for full range size better than upgarde equipment.