Denon and Marantz will add HDMI 2.1 to these older receivers for $600 | Engadget
AV8805 HDMI 8K Upgrade Kit - Marantz™
Marantz AV8805A 13.2 8K AV Pre-Amplifier with HEOS Built-In, IMAX Enhanced, Dolby Atmos, Alexa and Google Voice Assistant Compatible - AV8805A | Audio Advice
MARANTZ AV8805 13.2-Ch A/V Preamp/Processor w/HEOS | Accessories4less
Marantz AV8805 AV Preamp Reviewed - HomeTheaterReview
Denon and Marantz will add HDMI 2.1 to these older receivers for $600 | Engadget
SOUND UNITED ANNOUNCES HDMI 2.1 8K UPGRADES TO FLAGSHIP AV COMPONENTS FROM DENON AND MARANTZ - HomeTheaterHifi.com
Denon and Marantz Add HDMI 2.1 8K Upgrades to Flagship Models - Residential Systems
Marantz AV8805 Processor Review - HomeTheaterHifi.com
Sound United Announces HDMI 2.1 8K Upgrades and AVR-X8500H"A" and Marantz AV8805"A" AV Receivers | Audioholics
Sound United Announces HDMI 2.1 8K Upgrades and AVR-X8500H"A" and Marantz AV8805"A" AV Receivers | Audioholics
AV8805 HDMI 8K Upgrade Kit - Marantz™
Denon and Marantz introduce 8K HDMI 2.1 upgrade for AV receivers
Review and Measurements of Marantz AV8805 AV Processor | Audio Science Review (ASR) Forum
Marantz HDMI 2.1 upgrade only 1 input??? : r/hometheater
Marantz AV8805 15.2 XLR Pre/Pro Official Thread | Page 281 | AVS Forum
Denon and Marantz announce flagship AV amplifiers with full HDMI 2.1 and 8K support | What Hi-Fi?
Denon & Marantz announce new HDMI 2.1 receivers, upgrade program - FlatpanelsHD
AV8805 HDMI 8K Upgrade Kit - Marantz™
AV8805 HDMI 8K Upgrade Kit - Marantz™
AV8805 HDMI 8K Upgrade Kit - Marantz™
Marantz HDMI 2.1 upgrade only 1 input??? : r/hometheater
AV Review – Marantz AV8805 – The Compulsive Canadian Gamer
SOUND UNITED ANNOUNCES HDMI 2.1 8K UPGRADES TO FLAGSHIP AV COMPONENTS FROM DENON AND MARANTZ - HomeTheaterHifi.com
Denon and Marantz Offering $600 HDMI 2.1 8K Upgrade for Older Flagship Receivers - The FPS Review
Marantz AV8805 13.2CH 4k UltraHD AV Processor Preview | Audioholics Home Theater Forums
Marantz Unleashes HDMI 2.1-Upgradeable Flagship | Sound & Vision
