3M PELTOR X Series Ear Muffs X4A are high performance hearing protectors for use against high noise levels in a wide range of industries. These ear defenders offer 33(dB) attenuation with a sleek, low profile and aesthetically pleasing design. The innovative sealing rings provide excellent acoustic protection, particularly against sounds dominated by low frequencies. The soft, wide ear muff cushions help to reduce pressure around the ears, improving both comfort and wearability. Slim-line, dual moulded ear muff cups. Electrically insulated wire headband. Lightweight design (234g).