Audio Decoding GlitchesSome users reported occasional popping sounds or audio lag when switching between PCM and Dolby Digital sources. Updates have been released to smoothen these transitions, ensuring the internal DAC (Digital-to-Analog Converter) resets correctly between different stream types.
This is almost always caused by one of two factors: denon avr x250bt firmware update fixed
Here’s exactly what’s fixed, how to update, and whether you should hit that “Update” button. how to update