+Topping D90 variant, look at the new III Discrete 1 bit. I have an older D90LE, very clean, clear, transparent “present” sound signature. I swapped it out for a Pontus Ii 12th in my #1 rig, prefer the R2R NOS with 99dB sensitivity Klipsch horns. The D90 now sits in bedroom rig between WiiM Pro and a low watt KT-88 SEP amp with Vienna Acoustics Bach speakers. Amp and speakers very “warm” vs #1 rig. The Topping set at 5v output keeps the warm “slow” amp and speakers very tight, with good treble extension. And you’ll save a lot of $$ for other toys.
Don’t know much about the accessories @blisshifi advocating, worth a try if they can be returned on an in-home trial.
Cheers