Onkyo is a Japanese audio equipment manufacturing company that specializes in home theater systems and audio receivers. They are known for their high-quality sound systems.

Onkyo

The Onkyo TX-SR 503 is a home theater receiver that was first released in 2008. It offers 7.1 channel surround sound with a power output of 75 watts per channel. It includes various audio and video inputs and outputs, including HDMI, component, composite, and digital audio. The receiver supports various audio formats and features built-in decoding for Dolby TrueHD and DTS-HD Master Audio. It also has automatic speaker calibration and setup options.

TX-SR 503

by Onkyo

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