somebodyelse
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I think one of the tests of TPA3255 based amps with a simulated speaker load has a similar ~20R at 2kHz giving a peak between 0.5dB and 1dB. That might be audible, but probably not massively so. I haven't sound any frequency response measurements for the Q950 so don't know whether they have a peak or trough there - the boost could make a peak worse, or a trough better.