Description Product Description AVENTAGE is a dramatic, inspired step forward in audio/video component design. AVENTAGE brings studio-grade sound and sophisticated video enhancements to the home as a result of unparalleled attention to detail in design, engineering and fabrication. Details that, at first glance, would not seem to affect the quality of sight, sound, and control, when brought together within an AVENTAGE component produce a work of visual and acoustic art. The RX-A800 A/V Receiver supports 3D and Audio Return channel over 6 in/2out HDMI, CINEMA DSP 3D surround sound, with or without Front Presence Speakers, RS-232C interface for custom installation, and HDMI for Zone B. From the Manufacturer Yamaha AVENTAGE RX-A800 Audio/Video Receiver: An Inspired Leap Forward in Home Entertainment An elegant look with discreet but powerful front panel controls. AVENTAGE is a dramatic, inspired leap forward in audio/video component design. AVENTAGE brings studio grade sound and sophisticated video enhancements to your home with unparalleled attention to detail in design, engineering, and fabrication. We rethought every electrical path, every part, every piece, and every material to maximize performance. Details that at first glance would not seem to affect the quality of sight, sound, and control, when brought together in an AVENTAGE component, produce a work of visual and acoustic art. In addition to an innovative new construction design, the RX-A800 A/V Receiver supports 3D and Audio Return channel over 6 in/2out HDMI, new GUI with overlay on HD and 3D sources, CINEMA DSP 3D surround sound, with or without Front Presence Speakers, RS-232C interface for custom installation, HDMI for Zone B and Control4® certification.