Definitive Technology ProCinema 6D 5.1 Channel Home Theater System with Denon AVR-S970H 8K Ultra HD 7.2 Channel AV Receiver (Bundle) Upgrade your home entertainment setup with the Definitive Technology ProCinema 6D 5.1 Channel Home Theater System and Denon AVR-S970H 8K Ultra HD 7.2 Channel AV Receiver Bundle. This advanced bundle delivers a stunning audio-visual experience that immerses you in high-definition sound and breathtaking 8K video. The ProCinema 6D system provides superior clarity and