Amazon Fire TV 2 is a an Internet-connected device that lets you watch video from Amazon Instant Video, Netflix, Hulu, YouTube, Crackle or a few other outlets and play games with or without a controller, which is sold separately. If you want to watch your downloaded movies on Amazon Fire TV 2 use Kodi 15/14, you may have met these same troubles:
“ I’ve just got a new Fire TV setup with Kodi 15.0 and I’m loving it, except for one thing. I can’t get MKV files to play. The video stutters and there is no sound. The main reason I got the player was to play 720p TV shows that I acquire from the internet, however, they are all in mkv format and suffer the same issue. I have done a bit of googling and it seems like the Fire TV 2 cannot play mkv files? Short of converting every episode I download to mp4 is there a way I can get Kodi to play these mkv files? Or am I doomed to 480p mp4 releases forever? “
When you’re worrying about how to enjoy your HD Videos on new Fire TV for playback, and click to this question from Reddit.com. You may need to know: since Amazon Fire TV 2 don’t have the ability to playMKV, AVI, MOV, WMV, RMVB, M2TS, MXF files, in order to get any movies playable on Amazon Fire TV via Kodi(XBMC), you need to convert your downloaded video to Amazon Fire TV 2 supported video formats. 
- Hot Search: 4K Videos to Fire TV 2 | iTunes to Fire TV 2 | Blu-ray to Kodi for Fire TV 2 | DVDs to RN104 NAS for Fire TV | DVD ISO to Kodi 15/14
Actually, it’s not as difficult as you imagine. What’s need is just a common video converter like Pavtube Video Converter Ultimate <review>. With it, you can convert movies from virtually any formats to your Amazon Fire TV 2 seamlessly without any hassle. Meanwhile the output quality of the original videos will be kept. I’ll guide you through it step-by-step.
This video app can help you encode MKV into a different format H.264 MP4 with least quality loss. You should then be able to stream the new file to Fire TV 2 via Plex or other media server with smooth playback without any trouble. Plus, it also supports converting Blu-ray/DVD, MOV, AVI, WMV, FLV, MPG, VOB, TiVo to Amazon Fire TV 2/Amazon Fire TV for enjoyment. Some helpful edition functions are also available including trim and crop, merge and split, add special effects, subtitle edition, etc.
Note: In addition, Pavtube Video Converter Ultimate is designed for Windows 10 users, if you are a Mac user, please turn to the equivalent product iMedia Converter for Mac, which has updated to support Mac OS XEl Capitan. Now, get the right version on your computer and follow the simple steps to Convert HD Videos to MP4 for new Amazon Fire TV use Kodi 15/14.
Free Download HD Videos to Fire TV 2 Converter: 
Other Download:
– Pavtube old official address: http://www.pavtube.cn/blu-ray-video-converter-ultimate/
– Cnet Download: http://download.cnet.com/Pavtube-Video-Converter-Ultimate/3000-2194_4-75938564.html
How to Convert Videos for Amazon Fire TV 2 Via Kodi 15/14 for Playback Smoothly
Step 1: Run Video to Fire TV 2 Converter and you can import MKV, AVI, WMV, MPEG, M2TS clips to the program through “Add Video” button. You can directly drag and drop the videos to the converter. If you like, check the “Merge into one” box to join your Video files together. 
Step 2. Select output format
Click Profile column you will see rich output formats. Just select the best format you need. To play movies on Amazon Fire TV 2 through Kodi 15/14, you are recommended to choose MP4 video from “Common Video” category. 
- Fire TV 2 Supported Video/Audio: H.263/H.264/MPEG4-SP/VC1 & AAC/AC-3/E-AC-3/HE-A/PCM/MP3
- And read Kodi Supported Video and Audio Format here.
Step 3. Set advanced settings (Optional but important)
By clicking the Settings icon, you can adjust video and audio parameters like codec, bit rate, frame rate, sample rate, etc., in that way, you can take charge of the size and quality of the output files. In principle, the larger input values, the better output quality, but the corresponding larger file size. 
Tip: From the specification of Amazon Fire TV 2, the video in H.264/AVC codec can be up to 1080p and 30 fps. So you can hit on “Settings” to open settings window where you can adjust the video size to 1080p and frame rate to 30 fps. Since AC3 is not sure playable or not, you can choose AAC and 5.1 channel for audio. If 5.1 sound is not supported, it will be limited to stereo audio.
Step 4. Start Any Video to Amazon Fire TV 2 conversion
The last step: just hit the big “Convert” button of the program to finish MKV, AVI, WMV, M2TS etc to Amazon Fire TV 2 conversion. After conversion is done, simply click “Open Folder” button to find generated .mp4 videos. Afterwards, you can transfer the converted MKV clips into Amazon Fire TV 2 via Kodi 15/14 for playback on a big screen with ease.
Tip 1: Tranfer Video to USB for Smart TV, LED TV, LCD TV, HD TV Playback
After video conversion, click “Open Folder” button to get the converted video files. Connect a USB memory stick or USB cable of a digital device to your computer. Transfer the video to USB flash drive or your SD card. Connect USB flash drive/digital device to TV’s USB interface. You can now play MKV, AVI, MOV, AMV, MTS, RMVB, FLV video on your Smart TV, LED TV, LCD TV, HD TV via USB.
Learn>> How to Move Movies From USB to a TV?
Tip 2: Adding Your Media To Kodi 15/14 (XBMC)
Now that we know our way around XBMC – at least, how to control it – let’s start adding some media. Because XBMC supports every major media format you can imagine (and a few that you can’t) it’s a safe bet XBMC can organize your existing collection in a way you’ll be able to quickly browse using your remote. The software even downloads art and metadata for you. 
There’s a bit of work before we can start, however: you need to make sure XBMC will be able to find your files. To begin, make sure your movies, TV shows, pictures and music are all in folders specific to those media types. This will come in handy later. More details from here.
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