I have a Marantz NR1604 with B&W 5.1 setup in my living room. I also have a pair of B&W M1’s in my kitchen, bedroom, and office all wired back to the receiver. Each room was previously connected to the receiver pre-out with an Aiyima A07 amp.
I wanted something a little higher grade that would also allow me to AirPlay to an individual room with ease, so I picked up 3 Sonos Amp’s.
Last night I configured one and connected it to the pre-out of my Marantz. It *seemed* like it was working OK. Then today I configured another one of the Amp’s and now there is a very noticeable delay versus my 5.1 living room. I stumbled upon this old comment which I think answers why:
When SONOS players are “Grouped” there is a 75ms latency. The latency is reduced to about 30ms for the TV connected to PLAYBAR/BEAM/ARC/RAY/PLAYBASE/AMP.
So once I added the additional Amp to my system, then the delay more than doubled and became noticeable. I guess this make sense. When it was solo, it could effectively operate like a typical analog amp. But once you add another to the mix, it has to convert to digital, send it over the network to the other Sonos device, reconvert to analog, etc.
If instead one were to not use Line In, but instead use the HDMI input, would that alleviate the lag? How would that even work with a receiver in the mix? I feel like I am going down a rabbit hole which is only giving me a worse overall system, and I’m about to take these back and revert back to standard amps.
Best answer by Ken_Griffiths
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