What is your favorite budget audio component?


Just wondering for the sake of curiosity and general sharing and education among audiophiles, “What is your favorite budget audio component?” And as a bonus, “Why do you consider it budget and why is it good?” 
Since budget might be relative, I would say audio gear like MBL, Wilson MAXX speakers or anything ultra high end should not be considered.

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If the rest of your system is a good match and you only have 1 source, the Lightspeed passive LDR pre-amp is "stupid-good" at about 1/2 kilo-buck!  Not quite as good as my 20X price actives, but surely a bargain of the century.  Used Vandersteen 2ce sig speakers.  McCormack DNA 0.5. Used Merlin TSM monitors.  
Canare starquad microphone cable for interconnect.

TransFi air bearing tonearm.

Plitron isolation transformers.
PSB X2T Floor Standing Speakers.  More than budget, these are all about value. 
+1 on the Adcom GFA-555.  Considering recapping.   Biamping a pair of Vandersteen 2Ci speakers.   Thinking of getting a GFP-750