Elmedia Player offers good support for MKA files and gets good reviews.
Elmedia Player will easily become your top free MKA player for Mac and will work great on the latest macOS Sierra. Follow the easy steps to play MKA files on Mac easily and smoothly.
1. Download MKA Player Mac
1.1. The software is available right here on the site, so feel free to download it on the spot and use it.
2. Play MKA files
Just add the MKA audio file to the player in any convenient manner:
3. Enjoy all your tracks and movies
First off free Elmedia supports multiple other file formats, including uncommon ones. Also you have the possibility to not just play MKA files on your Mac, but with Elmedia Player PRO you get to download MKA files from the web and save them on the hard drive.