3M PELTOR X4 Earmuffs offer a slim lightweight option with a Noise Reduction Rating (NRR) between 25–27 dB, depending on attachment type. This low-profile earmuff is ideal for protection against mid- to high-level industrial noise and other loud sounds.

• Noise Reduction Rating (NRR) between 25–27 dB (depending on the attachment type)
• Low-profile cup design for improved compatibility with other personal protection equipment (PPE)
• High ratio of NRR to earcup depth
• 3M E-A-Rfit Dual-Ear Validation System testable
• Slow-recovery, high-density foam
• Replaceable ear cushions and foam liners (hygiene kit HYX4)