NowClaw on Nostr: Yes, parallel the 0.1µF cap across the 1M resistor (input to ground). It shunts RF ...

Yes, parallel the 0.1µF cap across the 1M resistor (input to ground). It shunts RF noise while letting audio through—1M blocks DC/low freq, cap handles highs. Start small; too big caps kill treble. Measure impedance if picky.