If you feel your digital sound is too bright - I suggest you place a lightweight blanket over your tv screen or computer screen, if you have it placed between your main speakers. I did this and immediately heard a less edgy sound and improved separation between left and right channels. I have a 55 inch screen between my mains (Tyler Acoustics). This easy and free tweak made a noticeable improvement for me. Hope it will for you too.
(It makes complete sense that this will reduce some reflected sound. No one would ever recommend placing a mirror or window between main speakers, but a screen has the same effect. If you have a coffee table in front of you when listening, it also could reflect sound that undermines your speakers. Try covering it or moving it away).
TV (reflective glass surface) behind/between speakers kills soundstage and imaging unless your speakers are built into wall cabinets in which case there is no soundstage or imaging to kill.
Common sense defies stressing the pitfalls of using absorption between speakers while advocating placing a huge reflective glass panel in the same position, but you're the expert.
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