For the Audiophile on your Christmas list (or to save a bit of money so that you'll have more to spend on everyone else), here are a few things that I've found. Please add more to this thread.
Roon Subscription: $1 for three months
THX AAA 789 Headphone Amplifier (was $400, now $250)
If you listen to headphones more than occasionally, you NEED this amplifier!
HiFiBerry 20% off on November 27th with code BLACK_2020
Qobuz download albums on sale until November 30th
JBL Studio Loudspeakers 52-68% off until November 27th
I've been a big JBL fan for ages. These are ideal for a 2nd system, theater applications, and may even be a good end-game system, depending on needs. These are the best prices I've seen for this line:
I'm looking forward to seeing what you folks find. Act quick if you're interested since a lot of these delas end tomorrow night.