As good looking as my avatar but with bigger, shinier ears.
Headphone Inventory
Mmmm lovely:
Sennheiser Momentum (circumaural)
Digital Silence DS-421D (noise cancelling IEM headset)
Samsung HS3303 (dual driver IEM headset)
Xiaomi Piston 3
Xiaomi Piston 3 Youth Edition

Rather Nice:
Digital Silence DS-101A (noise cancelling IEM headset)
Xiaomi Piston 2
Quarkie Rusty Bolt
Shure SE215 *broken*
Shure SE215 (bought another pair).
Koss KSC75
Ultimate Ears SuperFi 5vi *broken*
Sennheiser CX 95
Sennheiser CX 270
RHA MA150 *broken*

For modders and people with parametric eq only:
Superlux HD661

Sennheiser MX-5
Razer ProTone m100

Mediocre and from another era:
Sennheiser/iRiver MX300/400 OEM buds

Monoprice MEP-933
Headphone Amp Inventory
FiiO E7
Source Inventory
PC SPDIF pass through
HiFimeDIY Sabre USB DAC ES9023 96/24 USB receiver: TE7022
Sony CDP-XE570
Samsung Galaxy Note GT-N7000 (rooted)
Samsung Galaxy Note II GT-N7105 (rooted)
iRiver H140 (Rockbox, SSD mod)
iRiver H340 (Rockbox)
Sansa Fuze+ (Rockbox)
Archos A43IT Android multimedia wifi tablet (+Rockbox as an Application)
Archos A28IT Android multimedia wifi tablet (+Rockbox as an Application)
Sony ZS-M50
Pure Move 2500 Personal Digital DAB/FM Radio
Cable Inventory
low20101020's Cable Remote & Mic for Samsung Galaxy S3 4 Note to Sennheiser Momentum Headphone

low20101020's Headphone Adapter Remote & Mic Extension Cable for Samsung Galaxy S4 SIV I9500
Power-Related Components
House with wall sockets. Sheer bad temper.
Other Audio Equipment
Yamaha RX-V496RDS Receiver.
Ears (big, hairy, golden).
Brain (small, slippery, probably same colour as a good claret).
Audio-Related Tweaks
Sometimes I tweak my nipples while I listen and it sounds better that way.
Battery powered nose and ear hair trimmer.
ha ha ha ha ha ha ha