X-Pro: Beyond Earplugs. The X-Pro is the latest innovation on the classic earplug. The foam tips provide 30 dB of noise reduction. The X-Pro features a unique acoustic canal which can be opened and closed with the push of a button. The X-Pro is our first wholly acoustic device that provides multiple levels of hearing protection and gives you the ability to choose what you hear by the push of a button. Includes foam and silicone noise reducing tips. One button control. Best Noise Reduction at 30 dB (with foam tips). Battery Free . Black.