I recently bought a new Onkyo AVR in part because it includes Dirac Live “Full Bandwidth.” I ran the setup through the app, but the result was terrible: The gain on my subwoofer was cranked way up, rattling my furniture on every drumbeat. I decided to shell out $$$ for the Dirac Live “Bass Control” upgrade, then ran through the setup again. Same result. Turns out Bass Control requires the Windows/Mac app, not the mobile app. That wasn’t clearly indicated when I bought the add-on.
If you have a computer, skip the mobile app and go straight for the desktop app. It offers more options and (slightly) clearer explanations for each step of the setup process. (And FWIW the Bass Control add-on fixed the subwoofer gain issue, but I sure feel nickel-and-dimed…)
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