Marantz America on Twitter: "Introducing the new #Marantz SR-Series #AVreceivers: SR-5015, SR6015, SR7015, and SR8015. Take advantage of the latest #HDMI technologies with these #8Kready receivers, designed to deliver impactful and nuanced #
Marantz Sr6005 HDMI Video Board 633010051108S for sale online | eBay
Denon and Marantz will add HDMI 2.1 to these older receivers for $600 | Engadget
MARANTZ NR1506 FRONT HDMI JACK CIRCUIT BOARD REPLACEMENT PART | eBay