Compare Onkyo TX-SR875 7.1 Channels Receiver to Onkyo TXSR307 5.1 Channels Receiver

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

Sure, you can call it an "entry-level" A/V receiver. But when you witness the full potential of the TX-SR608, you'll know the level you're entering is far beyond the ordinary. For a start, you get HDMI 1.4 inputs for simple hook-up of all your high-definition sources. HDMI 1.4 also brings compatibility with the 3D video format, as well as an audio return channel from your display back to the receiver. Complementing HDMI on the input front, you have an analog RGB video input for connecting your PC, and a universal port for Onkyo peripherals. All video sources, regardless of resolution, can be upscaled to big and beautiful 1080p via HDMI and Faroudja DCDi Cinema. Audio processing incorporates quality Burr-Brown DACs, lossless Dolby and DTS codecs, and the expanded surround formats of Audyssey DSX and Dolby Pro Logic IIz. Three-stage inverted Darlington circuitry and jitter-cleaning technology work to ensure extremely precise and faithful amplification. Less