Denon and Marantz AV receivers integrate with Home Assistant over your local network, providing volume control, source selection, surround sound mode switching, and zone management. The integration uses the Denon AVR network control protocol (HEOS/telnet) for direct local communication.
For home theater and whole-home audio installations, Denon/Marantz receivers are central components. Home Assistant can automate source switching (TV turns on, receiver switches to HDMI input), volume management across zones, and coordinate with other media devices for scene-based control.
HA DocumentationHow Denon AVR Network Receivers Works with Home Assistant
Getting Denon AVR Network Receivers connected to Home Assistant and running reliably.
Discover & connect
Home Assistant discovers Denon AVR Network Receivers media devices on your network automatically. Add them to see playback controls, volume, source selection, and grouping options.
Multi-room audio
Group Denon AVR Network Receivers speakers with devices from other brands for synchronized whole-home audio. Control each room independently or as zones.
Event-driven media
Build automations that play specific audio based on events — doorbell rings, morning alarms, or custom announcements. Route different media to different rooms.
Common Denon AVR Network Receivers Issues
The problems installers run into with Denon AVR Network Receivers and Home Assistant — and how a managed setup prevents them.
Network standby mode blocks control
Denon/Marantz receivers have a 'Network Standby' setting that must be enabled for Home Assistant to power on the device. Without it, the receiver is unreachable when in standby.
Zone 2/3 entity management
Multi-zone receivers create separate media player entities for each zone. Managing automations across zones while keeping the main zone responsive requires careful entity coordination.
HEOS vs telnet protocol conflicts
Newer models use the HEOS protocol while older models use telnet. The integration handles both, but some advanced features (like detailed surround mode selection) behave differently across protocol versions.
Only one Telnet control connection at a time
Each receiver accepts a single Telnet control connection on port 23. A Control4, Crestron, Savant, or RTI system already holding that connection locks Home Assistant out, and vice versa. The Denon and Marantz phone apps use the HTTP web control interface, so they are not the cause. Receivers with HEOS built in also appear in the heos integration; keep both entities and combine them with a Universal Media Player rather than dropping one.
Why installers choose managed Denon/Marantz setups
- Network standby and power management configured for reliable remote control
- Multi-zone automations with source-aware input switching
- HDMI-CEC coordination for one-touch media scene activation
- Volume normalization across zones for consistent whole-home audio
Denon AVR Network Receivers devices we deploy
Hardware from the Selora catalog that runs on this integration. Every unit is tested and supported as part of a managed installation.
Speakers & Audio
7 devices
AVR-S760H
The Denon AVR-S760H is a 7.2 channel 8K AV receiver rated at 75W per channel, with Dolby Atmos and HEOS built in. The local denonavr integration controls it as a media_player, covering power, volume, input selection, and sound mode. No cloud account is needed for control.
AVR-S970H
The Denon AVR-S970H is a 7.2 channel 8K AV receiver rated at 90W per channel, with Dolby Atmos and HEOS built in. The local denonavr integration controls it as a media_player, covering power, volume, input selection, and sound mode across a 7.2 or 5.2.2 system.
AVR-X3900H
The Denon AVR-X3900H is a 9.4 channel 8K AV receiver rated at 105W per channel, with Dolby Atmos, DTS:X, and HEOS built in. The local denonavr integration controls it as a media_player, covering power, volume, input selection, and sound mode.
Cinema 30
The Marantz Cinema 30 is the top model in the Cinema line, an 11.4 channel 8K AV receiver rated at 140W per channel, with 13.4 channel processing and Dirac Live. The local denonavr integration controls it as a media_player, covering power, volume, input selection, and sound mode.
Cinema 40
The Marantz Cinema 40 is a 9.4 channel 8K AV receiver rated at 125W per channel, with Dolby Atmos and seven HDMI inputs. The local denonavr integration controls it as a media_player, covering power, volume, input selection, and sound mode.
Cinema 50
The Marantz Cinema 50 is a 9.4 channel 8K AV receiver rated at 110W per channel, with Dolby Atmos and six HDMI inputs. The local denonavr integration controls it as a media_player, covering power, volume, input selection, and sound mode.
Cinema 60
The Marantz Cinema 60 is a 7.2 channel 8K AV receiver rated at 100W per channel, with Dolby Atmos and six HDMI inputs. The local denonavr integration controls it as a media_player, covering power, volume, input selection, and sound mode.
Frequently Asked Questions
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