Recommended Omnimount for LS832i & LS432i

The LS432 uses what was called the Omni-mount 30 and the LS832 used the Omni-mount 60. Those were discontinued a long time ago.

Adaptive Technologies makes a bracket that has these hole patterns https://www.adaptivetechnologiesgroup.com/product/mm-022-bt-60lb-indoor-speaker-wall-mount/

The speaker plate can be attached horizontal or vertically.  

K&M also has solutions:

This bracket

https://www.k-m.de/en/products/speaker-lighting-and-monitor-stands-and-holders/speaker-wall-mounts/24471-speaker-wall-mount-black?c=190

With This adapter for the LS432

https://www.k-m.de/en/products/speaker-lighting-and-monitor-stands-and-holders/speaker-wall-mounts/24357-adapter-panel-4-black?c=190

With This adapter for the LS832

https://www.k-m.de/en/products/speaker-lighting-and-monitor-stands-and-holders/speaker-wall-mounts/24352-adapter-panel-1-black?c=190