我作為比較信science既user, 已經有external dac的話唔覺得升級streamer有好大作用, 所以我先用pi*2做server+player, 只要bit perfect的話digital我真係唔覺得用幾萬蚊既streamer就會好聽d, 加埋腦放就另計啦
dac要睇下係咪有preamp section, 有volume control同真係有preamp係唔一樣, dac既volume control可以靠attenuation or digital volume control黎做, preamp係用黎做first stage amplification同source control
另外就係active的話我會prefer有埋dsp, 會方便好多, 可以望埋neumann