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20 days agoI did some looking around and found a product called Mic-Lock which can do what you described, but it’s not quite as small as you wanted.
If you are willing to get your hands dirty, you could buy TRS connectors and solder 8 ohm resistors from each channel to ground. Might have to shave down the pins and print some caps for them.
Are you halfway through the base game or the DLC? I am halfway through the base game, but this is my second run because I unfortunately started NG+ on my first save… The DLC is only accessible from the second-last chapter :(