gamers nexus did a great (and very long) video on the impact of tariffs on US computer businesses. Some of the manufacturers went into quite a bit of detail breaking down their costs and how tariffs would render some products so unprofitable that they would cease to serve the US market. Not sure if it necessarily applies to a niche/low volume business, but the impacts on a larger business were eye opening:

https://www.youtube.com/watch?v=1W_mSOS1Qts

tariffs have chopped and changed so much since this video that the specific tariff amounts mentioned are likely not accurate.