Background info first:
The analog circuit inside DAC is the most important and sensitive analog circuit in the entire audio playback signal chain. It is the first stage of your analog signal amplification with extremely low distortion and extremely low noise level. Here we are talking about SNR over 120dB, DNR over 130dB, any sub microvolt level of noise can easily affect sound quality.
The digital circuit inside any DAC creates digital noise, this kind of noise can couple into analog circuit, via signal connection and EM radiation. In our G2 design, we use UnityChassis to block EM radiation from environment go into VEGA G2 and use Galvanic Isolation to prevent digital noise from processing circuit go into analog circuit via signal connection, however there is no way to block EM radiation from inside processing circuit efficiently as it is so close to the analog circuit.
How it worked and why:
When you use VEGA G2 with ARIES G2 via Lightning Link connection, the two device will talk to each other, some DSP calculation task inside VEGA G2 will be shifted to ARIES G2 as the later one has faster processor. This will offload VEGA G2’s processing circuit with reduced EM radiation. Since the EM radiation is reduced, the analog circuit’s performance get improvement and you will hear a better sound."
Still wondering if this is something I would be able to hear or if this is more of a theoretical reason to buy both. Maybe I can hear both setups at a local dealer.