Used in good working order, has microphone to calibrate the surround speaker. Used mainly for tv output. Not needed any longer. The Onkyo TX-NR636 7.2ch AV Receiver is a high-quality audio and video amplifier designed for home entertainment systems. With support for 4K resolution, Wi-Fi connectivity, Bluetooth streaming, and Dolby Atmos surround sound, this receiver offers a premium viewing and listening experience. The sleek design in silver or black, along with a variety of audio inputs and outputs, makes it a versatile choice for any home theatre setup. The built-in radio tuner and surround sound formats like DTS and Dolby Digital add to the overall immersive audio experience.
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