Peltor Optime 3 H540A hearing protection
Peltor Optime 3 H540A, significantly better damping than model H520 (green). Special differently shaped double-walled shells with different wall thicknesses, separated by foam. Very even attenuation of both high and low frequencies. Nevertheless, voice sounds are transmitted well. Ear cushions with soft foam layer and separate liquid ring. Wearing comfort is noticeably better.