Sometimes, MX Player tries to send the raw EAC3 signal to an external device (like Bluetooth headphones or a TV via Chromecast), which fails. Disabling passthrough forces the app to try internal conversion.
: Tap on Custom Codec at the bottom of the list.
Fortunately, this is easily fixable by installing a . This article will guide you through the process of fixing the EAC3 error in 2026. Why Is EAC3 Not Supported in MX Player?
MX Player will prompt a restart to apply the new codec. After restarting, EAC3 audio should play normally. Free-Codecs.com Fix 2: Switch to VLC Media Player (Fastest Fix) If you prefer a "no-fuss" solution, use VLC Media Player
His eyes scanned the technical forums. Amidst the complaints, he found a thread from a user named CodecMaster99 . eac3 audio format not supported in mx player
ffmpeg -i input.mkv -c:v copy -c:a ac3 -b:a 640k output_ac3.mkv
To avoid legal complications and costly licensing fees, the developers of MX Player removed native support for Dolby Digital, AC3, EAC3, and DTS audio streams from the official application. Consequently, whenever the player encounters a video file containing an EAC3 track, it skips the audio entirely and displays a compatibility alert.
The "EAC3 audio format not supported" error in MX Player occurs because native support for proprietary Dolby Digital Plus (EAC3) and DTS codecs was removed due to licensing restrictions
VLC is renowned for its "play anything" capability. It includes native, built-in support for almost all audio and video codecs, including EAC3. Sometimes, MX Player tries to send the raw
Browse your internal storage and select the downloaded mx_aio.zip file.
Method 1: The Best Solution – Install MX Player Custom Codecs (AIO Pack)
E-AC-3 stands for . It is the successor to the standard Dolby Digital (AC-3) codec. It supports higher bitrates (up to 6 Mbps), more channels (up to 15.1 surround sound), and is more efficient for streaming bandwidth. In simple terms: It makes surround sound (5.1 or 7.1) sound amazing without using too much internet data.
If you don't want to deal with codecs or conversions, you can use a media player that has built-in support for EAC3, such as . VLC includes its own libraries and doesn't require extra plugins. Fortunately, this is easily fixable by installing a
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Open your web browser and search for .
Panic, cold and sharp, seized his chest. He scrambled to his laptop. A quick search confirmed his worst fears. MX Player had dropped native support for EAC3 (Dolby Digital Plus) due to licensing issues a few years ago. The forums were a graveyard of similar cries for help.