Your MacBook will most likely output 1Vrms as well, just like the dongle.
Higher SNR is only useful if you can hear the noise floor of your current setup. That will definitely not be the case with the Sundara.
Doesn't look like it to me tbh:
View attachment 191895
One could fill in the 1-6KHz area a bit and bring bass up to Harman 2018 (or 2013), but all in all the frequency response is pretty nice already. Note though that this is the 2020 version. A pre 2020 version exists as well and that one's a bit rougher.
Soundsource or
eqMac. Note though that you'll have to pay if you want proper PEQ.
Here'a a better overview of EQ on macOS:
https://github.com/jaakkopasanen/AutoEq#osx--macos
Edit: there's also this comprehensive list on ASR:
Any suggestions are welcome. Post suggestions here. I will gather the details and add them. Thanks. :D This will be organized as results come in. @sweetchaos made a guide for PEQ filter data input and operation. For crossover software go here. Windows: Equalizer APO is a parametric / graphic...
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