The opus file is at 6kbps, the mp3 at 8. Opus file is tuned for speech, mp3 isn't. The opus file sounds unbearable when the music is playing, but is clearer o

The opus file is at 6kbps, the mp3 at 8. Opus file is tuned for speech, mp3 isn't. The opus file sounds unbearable when the music is playing, but is clearer otherwise. Double the bitrate and opus is way ahead.