Passive headphones:
K371, K1000 (bass-light), Q701, AD700X, DT770 Pro (80-ohm), DT990 Edition (600-ohm), CAL!, AH-D5200, FT1, Clear (OG), TH900 mk2 PW, HE6 (4-screw, RAD-0 pads, HE500 grilles, rear damping removed), HE500 (ZMF Ori lambskin pads), KSC75X, Porta Pro X, Modern Retro, MPL-0, HD490 Pro, HD560S, HD580 Precision (black silk paper, no name plate), HD650, HD800, HD668B (Brainwavz velour pads), HD681 EVO (Brainwavz velour pads), Verum 1 (OG), Auteur (OG, African Blackwood)

Active headphones:
WH-1000XM5

Gaming headsets:
A-Rise, Arctis Nova Pro Wireless

Passive IEMs:
HS1650CU (AET06 tips), BL-03, ER2XR, KZ10 Pro (Final Audio Type E tips), Tin Hifi T2 (Acoustune AET06 tips), Tin Hifi T2 (MandarinEs Symbio W tips)

Active IEMs:
Galaxy Buds Pro, WF-1000XM4

Other:
OpenFit, OpenRun Pro, LinkBuds

Favorite for music listening: MPL-0
Favorite for gaming: HD800
Daily drivers / general listening: WH-1000XM5, OpenRun Pro
Exercising: OpenRun Pro, WF-1000XM4
Commuting and traveling: HS1650CU (AET06 tips), OpenRun Pro, WF-1000XM4, WH-1000XM5

Amps and DACs:
Sound Blaster X7, Sound BlasterX G6, BTR15, Hidizs Sonata HD DAC II, Element II, ES100, ADI-2 DAC FS (AK4493)

(No, I don’t have an amp for K1000. I’d appreciate recommendations under $1500.)

Other:
BTA30 Pro

Source:
Qobuz - Favorites playlist: open.qobuz.com/playlist/19307217