IPTV Sync Issues: How to Fix Audio and Video Lag in 2025
Are you experiencing IPTV sync issues where the audio is out of sync with the video? This frustrating issue can make watching live TV, sports, or movies unbearable. Whether you’re using Firestick, IPTV Smarters Pro, or another IPTV player, this guide will walk you through fixing audio delays, lip-sync problems, and playback issues step by step.

Main Takeaways
- Understand why IPTV sync issues happen
- How to fix IPTV audio out of sync on Firestick, IPTV Smarters, and other devices
- Best settings for IPTV Smarters Pro to fix audio delay
- Top IPTV provider for buffer-free, high-quality streaming – Lynx4K
Why Does IPTV Have Sync Issues?
IPTV sync issues happen when the audio and video don’t match up, causing a delay where the sound is ahead or behind the video. Here are the most common causes:
✅ Server issues – Some IPTV providers may have badly encoded streams
✅ Device settings – Incorrect audio settings on Firestick, Android, or Smart TV
✅ Internet speed problems – Slow internet or Wi-Fi interference
✅ Incorrect stream format – The IPTV app may be using the wrong format
How to Fix IPTV Sync Issues on Any Device
1. Fix IPTV Sync Issues on Firestick
If you’re using Amazon Firestick and experiencing IPTV audio out of sync, follow these steps:
- Go to Firestick Settings
- Select “Display & Sounds”
- Click on Audio Settings
- Set Audio Output to Stereo
- Disable Dolby Digital
These settings force Firestick to sync the audio correctly.
2. Fix IPTV Audio Delay in IPTV Smarters Pro
If you’re using IPTV Smarters Pro, the issue may be due to incorrect player settings.
Step 1: Change Stream Format
- Open IPTV Smarters Pro
- Click Menu → Settings → Stream Format
- Select MPEGTS (.ts) only
- Save the settings and restart the app
Step 2: Change Player Selection
- Go to Menu → Settings → Player Selection
- Change the settings as follows:
- Live TV → Built-in Player
- Movies & Series → VLC Media Player
- Catch-Up & Recordings → VLC Media Player
- Click Save
If you don’t see VLC Media Player, install it from the Google Play Store and try again.
Step 3: Enable OpenGL Pixel Format for IPTV
- Open IPTV Smarters Pro → Menu → Settings → Player Settings
- Check these options:
✅ Enable OpenSL ES (Hardware Accelerated Audio)
✅ Enable OpenGL Pixel Format - Click Save
These settings reduce audio lag and fix IPTV lip-sync issues.
3. Fix IPTV Sync Issues on Android TV, Smart TVs & Other Devices
If you’re using Smart IPTV, TiviMate, or another app, try these fixes:
✅ Restart your IPTV device – A simple restart can sometimes fix IPTV lag
✅ Check your internet connection – A slow connection can cause delays in audio and video syncing
✅ Use an Ethernet cable instead of Wi-Fi – Wired connections are more stable for IPTV streaming
Best IPTV Provider for Sync-Free Streaming – Lynx4K
If you’re still experiencing IPTV sync issues, your provider may be the problem. Lynx4K is the best IPTV provider in the UK, offering:
✅ Over 21,000+ live TV channels
✅ 100,000+ VOD movies & TV series
✅ 4K, Full HD, and HD quality streaming
✅ No buffering or audio sync issues
Get your IPTV subscription from Lynx4K for a smooth, lag-free experience.
FAQs
Q: What is causing IPTV sync issues?
A: IPTV audio and video lag is caused by streaming format issues, incorrect device settings, or slow internet speeds.
Q: How do I fix IPTV out of sync on Firestick?
A: Set Firestick audio output to stereo and disable Dolby Digital in Firestick settings.
Q: How do I fix IPTV Smarters Pro audio delay?
A: Change the stream format to MPEGTS (.ts) and enable OpenGL Pixel Format in Player Settings.
Q: Should I use OpenGL for IPTV?
A: Yes, OpenGL Pixel Format helps reduce audio lag and improves video rendering on IPTV apps.
Q: Can slow internet cause IPTV audio sync issues?
A: Yes, slow speeds or unstable Wi-Fi can cause IPTV buffering and sync issues. Using a wired connection improves streaming quality.
By following this guide, you can fix IPTV sync issues and enjoy perfectly synced, buffer-free IPTV streaming!