Compare Onkyo TX-SR603X 7.1 Channels Receiver to Onkyo TX-SR875 7.1 Channels Receiver

Representing a new generation of Onkyo A/V receivers, the TX-SR603X brings you both stellar home theater performance and access to satellite radio through XM. Revolutionizing radio through innovative, commercial-free programming, XM Satellite Radio (sold separately) is best delivered through the precisely engineered, powerfully amplified TX-SR603X. With Powered Zone 2, you get the best of both worlds - engaging surround home theater in one room with a different , two-channel source (such as XM Satellite Radio programs, MP3s or Audio CDs) distributed to another. You can also take advantage of the onboard Auto Speaker Set-up with Microphone system to calibrate your speakers for the best possible sound from the listening position of your choice. Furthermore the TX-XS603X is easily integrated with all of your other components including the iPod through the optional DS-A1 thanks to the TX-SR603X's innovative Remote Interactive capability. Less

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. Less