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The original was posted on /r/hometheater by /u/Regular-Cheetah-8095 on 2023-09-03 11:34:19+00:00.

I’m adding a second Speedwoofer 10S MK11 sub TO a 5.1.4 system using an Onkyo TX-NR7100 using Dirac Live for room correction. Its my understanding that the NR7100 sends one matched signal to dual subwoofers and that the version of Dirac Live used with the NR7100 only supports calibration for one subwoofer - Correct me if I’m wrong there.

What is the best way to go about adding the second sub to the system and calibrating with Dirac Live and this AVR? I use a UMIK-1 as my mic.

I’d prefer not to have to buy a miniDSP 2X4 if at all possible - In the event I have to get one, is there a significant difference between the HD and standard for what I’ll be using it for?