MQA (Green light) indicates the sound is identical to that of the original source material.

If you play MQA on a certified product, with an MQA decoder, the file will playback the original studio-master file. An MQA file is backward compatible so will play on any device.Studio Master: MQA (Master Quality Authenticated) Supported by Apple OS with software player from Audirvana, PureMusic, JRiver.Supported by Windows with software player from JRiver, KORG MediaGate.High-End Network-Streaming players and few D/A Converter's (DAC).Studio Master: DSD (Direct-Stream Digital) Supported by Apple OS with software player from Amarra, Audirvana, PureMusic).For users, using Apple/iTunes and a few Network Streaming players.

Studio Master: ALAC (Apple Lossless Audio Coding) Supported by Apple OS with software player from Amarra, Audirvana, PureMusic, Songbird.Supported by Windows with software player from Media Monkey, JRiver, JPLAY).Widely compatible with Network Streaming players and D/A Converter's (DAC).Studio Master: FLAC (Free Lossless Audio Codec) HighRes-Studio Master files are lossless at various sample rates from 44.1 kHz up to 384 kHz or 1-bit (2.8224 MHz) for DSD.

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