This is a video walk through showing how to use Multi Sub Optimizer to align and EQ multiple subs behind a miniDSP 2x4 HD. Links to MSO, REW, and AustinJerry's REW Guide are below. This tutorial is for a subs-only optimization and does not walk through a subs+mains optimization. I might do a future video on that ... TBD.

I'll do my best to answer questions here on YT. However, there's a dedicated thread for MSO over on AVSforum.com. I may refer you to that thread if something is over my head. Here's the post of this video in that thread: www.avsforum.com/threads/optimizing-subwoofers-and…

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Why use MSO?
If you care about the bass response at more than one listening position in your theater, then MSO is the right tool for the job.
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What about REW alignment?
If you only have, or care about, a single listening position, then manual REW alignment is the right way to go.
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What about things like Dirac Live Bass Control?
In my personal experience, DLBC v3.1+, with the multi-sub license, achieves similar results to MSO without any external hardware or software. This assumes that your AVR/P has enough independent sub channels to support all of your subs of course.

If you do not have enough sub channels, then MSO+miniDSP is a great solution to get more subs into DLBC! Follow this tutorial and then present all subs as a single sub to your AVR/P. If using DLBC, this only requires the single-sub license and will save you a bit of money on that front. In my experience, MSO+miniDSP and the single sub license for DLBC gives similar results to full multi sub version of DLBC.
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0:00 Introduction
3:09 Exporting REW Measurements
9:18 MSO Overview
11:50 Measurement Import & Config Wizards
32:00 Graph Setup
44:46 Setup & Run Optimization
57:07 Getting More Improvement
1:18:17 Compare with Perf Metrics
1:32:53 Export for miniDSP 2x4 HD
1:43:04 Import to miniDSP 2x4 HD
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Multi Sub Optimizer - www.andyc.diy-audio-engineering.org/mso/html/index…
REW - www.roomeqwizard.com/
AustinJerry's REW Guide - www.avsforum.com/threads/jerrys-images.2919306/pag…