Exceeding even the highest expectations, the TX-SR875 A/V surround sound receiver deserves all the accolades it gets.The foundations of the TX-SR875 are its isolated power amplifier block (which supports a dual push-pull amplification design) and preamplifier.You’ll also find a blend of onboard technologies to prime your home theater for high-definition playback.You’re looking at the first HDMI-equipped Onkyo receiver to take up to four components with 1080p video and master-quality audio capabilities. All other signals, from 480i on up, can be upscaled to 1080p via HQV Reon-VX. Also,THX,Audyssey and Texas Instruments lend the very best of their expertise to round out this high-quality control center.