Denon AVR-X3900H (8K, 9.4)
 Audio Video Receiver, Home Theater Receiver
 Audio Video Processor, Home Theater Processor

 Amplifier (9 channels)
 9 x 105W (8 ohms) - 2 channels
 9 x 135W (6 ohms) - 2 channels

 Processor (11.4 channels)

 4x Subwoofers (independent outputs)
 Zone 2
 Audyssey MultEQ XT32 Calibration
 HEOS Ecosystem