# Roon Extension : RHEOS 2-way control & 192Hz/24bit Playback and Grouping on Denon/Marantz HEOS devices now in Extension Manager **URL:** \ **Category:** Roon API\ **Created:** [December 1, 2022, 12:02am UTC](https://community.roonlabs.com/t/roon-extension-rheos-2-way-control-192hz-24bit-playback-and-grouping-on-denon-marantz-heos-devices-now-in-extension-manager/224846 "2022-12-01T00:02:50Z")\ **Posts on this page:** 1\ **Showing post:** 1612
**Author:** ![anon77144803](https://community.roonlabs.com/letter_avatar/anon77144803/32/5_5575768a8748004e209b776fc1b2916d.png) [@anon77144803](https://community.roonlabs.com/u/anon77144803)\ **Post date:** [December 4, 2024, 7:30pm UTC](https://community.roonlabs.com/t/roon-extension-rheos-2-way-control-192hz-24bit-playback-and-grouping-on-denon-marantz-heos-devices-now-in-extension-manager/224846/1612 "2024-12-04T19:30:28Z")
If you run extension manager, you need to have install docker as well on your system and then use extension manager to install RHEOS. You don’t touch any JSON nodes stuff if you intend to use Extension manager as it’s just a way of managing Roons extensions and installs it all for you, but does have a prerequisite of needing docker. > [@Roon Extension Manager 1.x (currently at v1.1.2)](https://community.roonlabs.com/t/roon-extension-manager-1-x-currently-at-v1-1-2/161624): > > I’m glad to announce the release of Roon Extension Manager 1.0! Earlier on I described [my plans](https://community.roonlabs.com/t/important-information-for-extension-manager-users/151313), and now the working out of these plans is finished! Besides the creation of the software itself and the setup script also the documentation on the [project Wiki](https://github.com/TheAppgineer/roon-extension-manager/wiki) has been updated to the latest state. A few highlights, before you all start reading the documentation: wink Improved user experience by providing: Possibility to modify installation settings without performing a full extension reinstal… --- _[View the full topic](https://community.roonlabs.com/t/roon-extension-rheos-2-way-control-192hz-24bit-playback-and-grouping-on-denon-marantz-heos-devices-now-in-extension-manager/224846)._