My theater went through a bit of a refresh last summer, around the time I was re-integrating LD after having abandoned it back in '05ish after the Star Wars SE DVD was released. As it stands I currently have:
VideoEpson HC 4000 4k eShift Projector
Silver Ticket 128" 2.35:1 WVS Acoustic Transparent Screen
Pioneer CDL-D704 (Recent upgrade from Marantz LV520, not shown)
Philips BD7502 UHD Blu-Ray Player
Onkyo HD805 HD-DVD Player (Toshiba XA2 Clone)
Nvidia Shield 2019 (Tube) Streaming Player
XBox One
Nintendo Switch (not shows, it goes back-and-forth with the kids)
AudioMarantz SR6011 AVR
Adcom GFA-7500 THX-Ultra 5ch Amplifier
Adcom GFA-2535 4ch Amplifier (Atmos, not shown)
Crown DSi-1000 DSP Amplifier (Subwoofer, not shown)
Crown CE1000 Amplifier (Buttkicker, not shown)
Denon AVD-2000 Demodulator/Decodor
Fluance RP80 Turntable w/ LP Gear CFN3600LE Cartridge (Cartridge not shown)
Pro-ject Phono Box E (not shown)
Speakers3x Monolith THX-LCR Ultra In-Walls (Left/Center/Right, Behind Screen)
2x Atlantic Technologies IWTS-30SR (Bipole Surrounds)
4x Speakercraft Profile AIM7-TWO (Atmos)
DIY Dayton Ultimax UM15 Ported Subwoofer (~11cuft, ~18hz tune)
Buttkicker Advance BK4-3
Power & ControlPanamax M5100-EX
Harmony Elite w/ Hub
Google Home Mini
Dayton UMM-6 Calibration Microphone
Arcade & SnacksDIY Star Wars "Starcade" (Work in Progress)
Cuisinart CPM-30 Popcorn Machine
Nestle Pixie Nespresso Machine
DIY Snack Stand w/ integrated 1.7 cuft Fridge
LD Video PathMarantz LV520 -> (Composite, 480i) -> Marantz AVR -> (HDMI, 4:3 480p) -> Epson Projector
LD Audio PathMarantz LV520 -> (Coax, AC3 RF) -> Denon AVD-2000 -> (Optical, DD 5.1) -> Marantz AVR
Marantz LV520 -> (Optical, PCM) -> Denon AVD-2000 -> (Optical, PCM Stereo) -> Marantz AVR