Sony STR-AZ1000ES Premium ES 7.2 Channel 8K Home Theater ReceiverPremium ES 7. 2 CH 8K A V Receiver Model: STR AZ1000ES Features STR AZ1000ES ES A V Receiver: Elevated performance for all Renowned ES Quality Redesigned with build quality in mind Chassis and sub chassis Power Supply Capacitors New Large Capacity Power Transformer Redeveloped digital section With the addition of a sub chassis structure on the rear of the front panel, the rigidity of the receiver is increased. This results in a further reduction of