Cardas Audio Signature 系列 S 端子保護蓋

Put these on all my unused video inputs and noticed the picture looks a bit cleaner. The snug fit keeps dust out and the RF shielding seems to make a real difference.

The dust caps are surprisingly dense and well-built, so they feel like they're actually blocking RF and EMI rather than just sitting there. I put them on every unused connector in my rack and haven't had to wipe a single speck of dust off since.

Slipped these onto the unused inputs on my preamp and the background noise floor dropped noticeably during quiet passages. The snug fit means dust doesn't stand a chance either, which is a relief since I hate cleaning those tiny holes.