Preserve Your Hearing: Once your hearing’s gone, you can’t get it back protect it with ear protection from Walker’s. Sound Quality: Feature full dynamic range HD speakers for clear balanced sound with sound-activated compression reaction of 0.02 seconds. Instantaneous Sound Reaction: Low noise / frequency tuned for natural sound clarity. Customizable Audio Experience: Take charge of your listening environment with independent volume controls, allowing you to adjust the sound to your preferred level with ease.