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Almost identical BOM (PCBs are the same). The d40 uses the ESS9068 dac while the do400 uses the ess9039 MSPRO dac, I believe. The d40...

Two data points (strictly anecdotal, of course*) from a quick search at https://worldradiohistory.com/ data point the first (1954)...

In a traditional audio chain (which is what you have), there is only ever one DAC in use. When using digital audio outputs like USB or...

In order to PEQ the speakers to match the OP had to use anechoic data not in room data. In room/in situation measurements are cool but...

What the drivers is capable of is not really the question. Depending on the directivity of the speaker one often have an listening...

Hi, I bought the Edifiers about 4yrs ago & I love them. I drive currently them from two sources, Apple MBPro via USB & Marantz CD17ki...

Lizards?

should I set the sub's volume knob to maximum ?

watch the video above, the boards are not exactly the same

25W @8Ω, 50W @4Ω for $800 is rough and may well limit your choices for speakers. If it's the eARC port that you're willing to pay for...

maybe because a70pro/d70pro are worth 3x the value of DO400 for the same benefit?

They claim that their drivers are capable of 120dB at 1m without distortion. So maximum distance should be around 10 meters. I expect...

I however remember their disastrous "innovation" in CD copyright protection... :-D Any company loves to be "de facto" standard for...

Not a patch on Willie. :p