Honda Clarity PHEV Issues w/ Subwoofer

[stackedactors]

Probably a long shot finding a solution here, but I had a subwoofer professionally installed locally and whenever I switch from EV to gas playing music, I can occasionally hear a loud "wir" noise, like electrical interference or something. Only seems to happen occasionally, sometimes triggered by intense regen braking or acceleration. Doesn't occur when driving on EV only, thank god. Anybody else have this issue or know a fix?

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