And it seems the 2x4 drops the input signal enough that without reducing trim it causes a net loss of 7db in room! Cough..... How the heck is this not something people mention?!

So, maybe for subwoofer eq? Would be fine if you didnt need to reference it to other channels. Dont expect a write up on this one. smile

Edit: yep. Insertion loss in signal path. So both the oppo and 2x4 have gremlins.....

https://www.minidsp.com/forum/hardware-support/1338-re-minidsp-output-volume-voltage