I've added Acoustic wall panels, bass shakers, Anthem AVM70, Crown amplifiers, Yamaha amplifer, 9.2.4 Atmos setup, stadium seating, Epson 6050 projector, 4k, Kef Q150.

My speakers

LCR - GoldenEar Invisa SPS
Wides - GoldenEar Invisa MPX
Surrounds - GoldenEar Invisa 650
Rears - GoldenEar Invisa MPX
Heights Rear - GoldenEar Invisa 650
Heights Front - Kef Q150
Subs - Episode 15”