Mx Player Custom Codec Eac3 Extra Quality [extra Quality] Access

MX Player lacks native support for the EAC3 (Enhanced AC-3) audio format due to licensing restrictions, which often results in a "This audio format (EAC3) is not supported" error. To restore high-quality sound and support for other formats like DTS, AC3, and TrueHD, you must install a custom codec pack. Recommended Codec Versions (2026)

Part 1: Understanding the Problem – Why MX Player Fails with EAC3

The Licensing Issue

MX Player, like many free applications, cannot legally distribute certain audio codecs due to licensing fees. Dolby Laboratories owns the rights to EAC3 (Enhanced AC-3). To include native support for Dolby Digital Plus, MX Player would have to pay a royalty per download. To avoid this, the developers removed proprietary codecs from the standard app, leaving only open-source decoders like FFmpeg (which handles MP3, AAC, and basic AC3 poorly). mx player custom codec eac3 extra quality

• EAC3 (Dolby Digital Plus)
• TrueHD (lossless Atmos core)
• DTS-HD MA
• Opus at 512k+

Locate Custom Codec: Scroll to the bottom and tap Custom codec. MX Player lacks native support for the EAC3