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Marantz SR7012 9.2 Channel Full 4K Ultra HD Network AV Surround Receiver with HEOS Wireless Multi-Room Technology (Discontinued by Manufacturer)
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Amazon.com: Official Audyssey Replacement Microphone for calibrating Denon, Marantz, Onkyo, Integra, Teac, Tascam AVRs
![Marantz SR7012 9.2 Channel Full 4K Ultra HD Network AV Surround Receiver with HEOS Wireless Multi-Room Technology (Discontinued by Manufacturer) Marantz SR7012 9.2 Channel Full 4K Ultra HD Network AV Surround Receiver with HEOS Wireless Multi-Room Technology (Discontinued by Manufacturer)](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71G7SmCLlrL._AC_SS300_.jpg)