Best Stereo Upgrade Value


A question for you audiophiles...

What "upgrade/change" has singularly given you the biggest (not incremental) improvement to your stereo system?  Upgraded amp, pre-amp, tubes, room correction unit, subs, connectors, cables, speakers, streamer, stylus, speaker placement, acoustic panels, etc.?

bheyamoto

I agree with carlsbad that an average DAC could spoil all the magic. However, intermediate speakers could ruin it.

So many wow moments. Every component, interconnect and room treatment made a difference and some not so subtle.  My biggest surprise was how much clean power matters.  I took a big (for me) financial gamble and went with the advice of my salesperson.  My power conditioner and  power cables cost more than all my components, with the exception of my speakers..but I still have three more power cables to purchase.  To my absolute surprise, this was a major upgrade.  This weeks upgrade to the Holo May DAC DTE was a huge upgrade from my McIntosh, but part of that was the good power